serverless-spy/node_modules/rx/ts/rx.all.d.ts

CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.

declare module Rx {

    // Type alias for observables and promises
    export type ObservableOrPromise<T> = IObservable<T> | Observable<T> | Promise<T>;

    export type ArrayLike<T> = Array<T> | { length: number;[index: number]: T; };

    // Type alias for arrays and array like objects
    export type ArrayOrIterable<T> = ArrayLike<T>;

    /**
     * Promise A+
     */
    export interface Promise<T> {
        then<R>(onFulfilled: (value: T) => R|Promise<R>, onRejected: (error: any) => Promise<R>): Promise<R>;
        then<R>(onFulfilled: (value: T) => R|Promise<R>, onRejected?: (error: any) => R): Promise<R>;
    }

    /**
     * Promise A+
     */
    export interface IPromise<T> extends Promise<T> { }

    /**
    * Represents a push-style collection.
    */
    export interface IObservable<T> { }

    /**
    * Represents a push-style collection.
    */
    export interface Observable<T> extends IObservable<T> { }

    export module internals {
        export interface EmptyError extends Error { message: string; }
        export interface EmptyErrorStatic { new (): EmptyError; }

        export interface ObjectDisposedError extends Error { message: string; }
        export interface ObjectDisposedErrorStatic { new (): ObjectDisposedError; }

        export interface ArgumentOutOfRangeError extends Error { message: string; }
        export interface ArgumentOutOfRangeErrorStatic { new (): ArgumentOutOfRangeError; }

        export interface NotSupportedError extends Error { message: string; }
        export interface NotSupportedErrorStatic { new (): NotSupportedError; }

        export interface NotImplementedError extends Error { message: string; }
        export interface NotImplementedErrorStatic { new (): NotImplementedError; }
    }

    export module helpers {
        export var notImplemented: () => internals.NotImplementedError;
        export var notSupported: () => internals.NotSupportedError;
    }

    export module internals {
        export var bindCallback: (func: Function, thisArg: any, argCount: number) => Function;
    }

    export module internals {
        export var isEqual : (left: any, right: any) => boolean;
    }

    export interface IDisposable {
        dispose(): void;
    }

    export interface Disposable extends IDisposable {
        /** Is this value disposed. */
        isDisposed?: boolean;
    }

    interface DisposableStatic {
        /**
         * Provides a set of static methods for creating Disposables.
         * @param {Function} dispose Action to run during the first call to dispose. The action is guaranteed to be run at most once.
         */
        new (action: () => void): Disposable;

        /**
         * Creates a disposable object that invokes the specified action when disposed.
         * @param {Function} dispose Action to run during the first call to dispose. The action is guaranteed to be run at most once.
         * @return {Disposable} The disposable object that runs the given action upon disposal.
         */
        create(action: () => void): Disposable;

        /**
         * Gets the disposable that does nothing when disposed.
         */
        empty: IDisposable;

        /**
         * Validates whether the given object is a disposable
         * @param {Object} Object to test whether it has a dispose method
         * @returns {Boolean} true if a disposable object, else false.
         */
        isDisposable(d: any): boolean;
    }

    /**
     * Provides a set of static methods for creating Disposables.
     * @param {Function} dispose Action to run during the first call to dispose. The action is guaranteed to be run at most once.
     */
    export var Disposable: DisposableStatic;

    export module config {
        export var Promise: { new <T>(resolver: (resolvePromise: (value: T) => void, rejectPromise: (reason: any) => void) => void): IPromise<T>; };
    }

    export module helpers {
        export var noop: () => void;
        export var notDefined: (value: any) => boolean;
        export var identity: <T>(value: T) => T;
        export var defaultNow: () => number;
        export var defaultComparer: (left: any, right: any) =>  boolean;
        export var defaultSubComparer: (left: any, right: any) =>  number;
        export var defaultKeySerializer: (key: any) =>  string;
        export var defaultError: (err: any) =>  void;
        export var isPromise: (p: any) =>  boolean;
        export var asArray: <T>(...args: T[]) =>  T[];
        export var not: (value: any) =>  boolean;
        export var isFunction: (value: any) =>  boolean;
    }

    export type _Selector<T, TResult> = (value: T, index: number, observable: Observable<T>) => TResult;
    export type _ValueOrSelector<T, TResult> = TResult | _Selector<T, TResult>;
    export type _Predicate<T> = _Selector<T, boolean>;
    export type _Comparer<T, TResult> = (value1: T, value2: T) => TResult;
    export type _Accumulator<T, TAcc> = (acc: TAcc, value: T) => TAcc;

    export module special {
        export type _FlatMapResultSelector<T1, T2, TResult> = (value: T1, selectorValue: T2, index: number, selectorOther: number) => TResult;
    }

    export interface IObservable<T> {
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(observer: IObserver<T>): IDisposable;
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;
    }

    export interface Observable<T> {
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(observer: IObserver<T>): IDisposable;
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;

        /**
        * Subscribes to the next value in the sequence with an optional "this" argument.
        * @param {Function} onNext The function to invoke on each element in the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnNext(onNext: (value: T) => void, thisArg?: any): IDisposable;
        /**
        * Subscribes to an exceptional condition in the sequence with an optional "this" argument.
        * @param {Function} onError The function to invoke upon exceptional termination of the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnError(onError: (exception: any) => void, thisArg?: any): IDisposable;
        /**
        * Subscribes to the next value in the sequence with an optional "this" argument.
        * @param {Function} onCompleted The function to invoke upon graceful termination of the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnCompleted(onCompleted: () => void, thisArg?: any): IDisposable;

        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        forEach(observer: IObserver<T>): IDisposable;

        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        forEach(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;
    }

    export interface ObservableStatic {
        /**
        * Determines whether the given object is an Observable
        * @param {Any} An object to determine whether it is an Observable
        * @returns {Boolean} true if an Observable, else false.
        */
        isObservable(o: any): boolean;
    }

    export var Observable: ObservableStatic;

    export module internals {
        export var inherits: (child: any, parent: any) => void;
        export var addProperties: (obj: any, ...sources: any[]) => void;
        export var addRef: <T>(xs: Observable<T>, r: { getDisposable(): IDisposable; }) => Observable<T>;
    }

    export module internals {
        export interface ScheduledItem<TTime> {
            scheduler: IScheduler;
            state: TTime;
            action: (scheduler: IScheduler, state: any) => IDisposable;
            dueTime: TTime;
            comparer: (x: TTime, y: TTime) => number;
            disposable: SingleAssignmentDisposable;

            invoke(): void;
            compareTo(other: ScheduledItem<TTime>): number;
            isCancelled(): boolean;
            invokeCore(): IDisposable;
        }

        interface ScheduledItemStatic {
            new <TTime>(scheduler: IScheduler, state: any, action: (scheduler: IScheduler, state: any) => IDisposable, dueTime: TTime, comparer?: _Comparer<TTime, number>):ScheduledItem<TTime>;
        }

        export var ScheduledItem: ScheduledItemStatic
    }

    export module internals {
        // Priority Queue for Scheduling
        export interface PriorityQueue<TTime> {
            length: number;

            isHigherPriority(left: number, right: number): boolean;
            percolate(index: number): void;
            heapify(index: number): void;
            peek(): ScheduledItem<TTime>;
            removeAt(index: number): void;
            dequeue(): ScheduledItem<TTime>;
            enqueue(item: ScheduledItem<TTime>): void;
            remove(item: ScheduledItem<TTime>): boolean;
        }

        interface PriorityQueueStatic {
                new <T>(capacity: number) : PriorityQueue<T>;
                count: number;
        }

        export var PriorityQueue : PriorityQueueStatic;
    }

    /**
     * Represents a group of disposable resources that are disposed together.
     * @constructor
     */
    export interface CompositeDisposable extends Disposable {
        /**
         * Adds a disposable to the CompositeDisposable or disposes the disposable if the CompositeDisposable is disposed.
         * @param {Mixed} item Disposable to add.
         */
        add(item: IDisposable): void;

        /**
         * Removes and disposes the first occurrence of a disposable from the CompositeDisposable.
         * @param {Mixed} item Disposable to remove.
         * @returns {Boolean} true if found; false otherwise.
         */
        remove(item: IDisposable): void;
    }

    interface CompositeDisposableStatic {
        /**
         * Represents a group of disposable resources that are disposed together.
         * @constructor
         */
        new (...disposables: Rx.IDisposable[]): CompositeDisposable;
        /**
         * Represents a group of disposable resources that are disposed together.
         * @constructor
         */
        new(disposables: Rx.IDisposable[]): CompositeDisposable;
    }

    export var CompositeDisposable: CompositeDisposableStatic;

    export interface SingleAssignmentDisposable {
        /** Performs the task of cleaning up resources. */
        dispose(): void;

        /** Is this value disposed. */
        isDisposed: boolean;

        getDisposable(): IDisposable;

        setDisposable(value: IDisposable): void;
    }

    interface SingleAssignmentDisposableStatic {
        new() : SingleAssignmentDisposable;
    }

    export var SingleAssignmentDisposable : SingleAssignmentDisposableStatic;

    export interface SerialDisposable {
        /** Performs the task of cleaning up resources. */
        dispose(): void;

        /** Is this value disposed. */
        isDisposed: boolean;

        getDisposable(): IDisposable;

        setDisposable(value: IDisposable): void;
    }

    interface SerialDisposableStatic {
        new() : SerialDisposable;
    }

    export var SerialDisposable : SerialDisposableStatic;

    /**
     * Represents a disposable resource that only disposes its underlying disposable resource when all dependent disposable objects have been disposed.
     */
    export interface RefCountDisposable extends Disposable {

        /** Performs the task of cleaning up resources. */
        dispose(): void;

        /** Is this value disposed. */
        isDisposed: boolean;

        /**
         * Returns a dependent disposable that when disposed decreases the refcount on the underlying disposable.
         * @returns {Disposable} A dependent disposable contributing to the reference count that manages the underlying disposable's lifetime.
         */
        getDisposable(): IDisposable;
    }

    interface RefCountDisposableStatic {
        /**
         * Initializes a new instance of the RefCountDisposable with the specified disposable.
         * @constructor
         * @param {Disposable} disposable Underlying disposable.
         */
        new(disposable: IDisposable): RefCountDisposable;
    }

    export var RefCountDisposable : RefCountDisposableStatic;

    export interface IScheduler {
        /** Gets the current time according to the local machine's system clock. */
        now(): number;

        /**
          * Schedules an action to be executed.
          * @param state State passed to the action to be executed.
          * @param {Function} action Action to be executed.
          * @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
          */
        schedule<TState>(state: TState, action: (scheduler: IScheduler, state: TState) => IDisposable): IDisposable;

        /**
         * Schedules an action to be executed after dueTime.
         * @param state State passed to the action to be executed.
         * @param {Function} action Action to be executed.
         * @param {Number} dueTime Relative time after which to execute the action.
         * @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
         */
        scheduleFuture<TState>(state: TState, dueTime: number | Date, action: (scheduler: IScheduler, state: TState) => IDisposable): IDisposable;
    }

    export interface SchedulerStatic {
        /** Gets the current time according to the local machine's system clock. */
        now(): number;

        /**
         * Normalizes the specified TimeSpan value to a positive value.
         * @param {Number} timeSpan The time span value to normalize.
         * @returns {Number} The specified TimeSpan value if it is zero or positive; otherwise, 0
         */
        normalize(timeSpan: number): number;

        /** Determines whether the given object is a scheduler */
        isScheduler(s: any): boolean;
    }

    /** Provides a set of static properties to access commonly used schedulers. */
    export var Scheduler: SchedulerStatic;

    export interface IScheduler {
        /**
         * Schedules an action to be executed recursively.
         * @param {Mixed} state State passed to the action to be executed.
         * @param {Function} action Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in recursive invocation state.
         * @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
         */
        scheduleRecursive<TState>(state: TState, action: (state: TState, action: (state: TState) => void) => void): IDisposable;

        /**
         * Schedules an action to be executed recursively after a specified relative due time.
         * @param {Mixed} state State passed to the action to be executed.
         * @param {Function} action Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in the recursive due time and invocation state.
         * @param {Number}dueTime Relative time after which to execute the action for the first time.
         * @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
         */
        scheduleRecursiveFuture<TState, TTime extends number | Date>(state: TState, dueTime: TTime, action: (state: TState, action: (state: TState, dueTime: TTime) => void) => void): IDisposable;
    }

    export interface IScheduler {
        /**
         * Schedules a periodic piece of work by dynamically discovering the scheduler's capabilities. The periodic task will be scheduled using window.setInterval for the base implementation.
         * @param {Mixed} state Initial state passed to the action upon the first iteration.
         * @param {Number} period Period for running the work periodically.
         * @param {Function} action Action to be executed, potentially updating the state.
         * @returns {Disposable} The disposable object used to cancel the scheduled recurring action (best effort).
         */
        schedulePeriodic<TState>(state: TState, period: number, action: (state: TState) => TState): IDisposable;
    }

    export interface IScheduler {
        /**
         * Returns a scheduler that wraps the original scheduler, adding exception handling for scheduled actions.
         * @param {Function} handler Handler that's run if an exception is caught. The exception will be rethrown if the handler returns false.
         * @returns {Scheduler} Wrapper around the original scheduler, enforcing exception handling.
         */
        catch(handler: Function): IScheduler;
    }

    export module internals {
        export interface SchedulePeriodicRecursive {
            start(): IDisposable;
        }

        interface SchedulePeriodicRecursiveStatic {
            new (scheduler: any, state: any, period: any, action: any) : SchedulePeriodicRecursive;
        }

        export var SchedulePeriodicRecursive: SchedulePeriodicRecursiveStatic;
    }

    export interface SchedulerStatic {
        immediate: IScheduler;
    }

    export interface ICurrentThreadScheduler extends IScheduler {
        scheduleRequired(): boolean;
    }

    export interface SchedulerStatic {
        currentThread: ICurrentThreadScheduler;
    }

    export interface SchedulerStatic {
        default: IScheduler;
        async: IScheduler;
    }

    /**
    * Supports push-style iteration over an observable sequence.
    */
    export interface IObserver<T> {
        /**
        * Notifies the observer of a new element in the sequence.
        * @param {Any} value Next element in the sequence.
        */
        onNext(value: T): void;
        /**
        * Notifies the observer that an exception has occurred.
        * @param {Any} error The error that has occurred.
        */
        onError(exception: any): void;
        /**
        * Notifies the observer of the end of the sequence.
        */
        onCompleted(): void;
    }
    
    export interface Observer<T> {
        /**
        * Notifies the observer of a new element in the sequence.
        * @param {Any} value Next element in the sequence.
        */
        onNext(value: T): void;
        /**
        * Notifies the observer that an exception has occurred.
        * @param {Any} error The error that has occurred.
        */
        onError(exception: any): void;
        /**
        * Notifies the observer of the end of the sequence.
        */
        onCompleted(): void;
    }

    export interface ObserverStatic {
        /**
        *  Creates an observer from the specified OnNext, along with optional OnError, and OnCompleted actions.
        * @param {Function} [onNext] Observer's OnNext action implementation.
        * @param {Function} [onError] Observer's OnError action implementation.
        * @param {Function} [onCompleted] Observer's OnCompleted action implementation.
        * @returns {Observer} The observer object implemented using the given actions.
        */
        create<T>(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): Observer<T>;
    }

    /**
    * Supports push-style iteration over an observable sequence.
    */
    export var Observer: ObserverStatic;

    /**
     *  Represents a notification to an observer.
     */
    export interface Notification<T> {
        /**
         * Invokes the delegate corresponding to the notification or the observer's method corresponding to the notification and returns the produced result.
         *
         * @memberOf Notification
         * @param {Any} observerOrOnNext Delegate to invoke for an OnNext notification or Observer to invoke the notification on..
         * @param {Function} onError Delegate to invoke for an OnError notification.
         * @param {Function} onCompleted Delegate to invoke for an OnCompleted notification.
         * @returns {Any} Result produced by the observation.
         */
        accept(observer: IObserver<T>): void;
        /**
         * Invokes the delegate corresponding to the notification or the observer's method corresponding to the notification and returns the produced result.
         *
         * @memberOf Notification
         * @param {Any} observerOrOnNext Delegate to invoke for an OnNext notification or Observer to invoke the notification on..
         * @param {Function} onError Delegate to invoke for an OnError notification.
         * @param {Function} onCompleted Delegate to invoke for an OnCompleted notification.
         * @returns {Any} Result produced by the observation.
         */
        accept<TResult>(onNext: (value: T) => TResult, onError: (exception: any) => TResult, onCompleted: () => TResult): TResult;

        /**
         * Returns an observable sequence with a single notification.
         *
         * @memberOf Notifications
         * @param {Scheduler} [scheduler] Scheduler to send out the notification calls on.
         * @returns {Observable} The observable sequence that surfaces the behavior of the notification upon subscription.
         */
        toObservable(scheduler?: IScheduler): Observable<T>;

        hasValue: boolean;
        equals(other: Notification<T>): boolean;
        kind: string;
        value: T;
        error: any;
    }

    interface NotificationStatic {
        new <T>(kind: any, value: any, exception: any, accept: any, acceptObservable: any, toString: any) : Notification<T>;

        /**
        * Creates an object that represents an OnNext notification to an observer.
        * @param {Any} value The value contained in the notification.
        * @returns {Notification} The OnNext notification containing the value.
        */
        createOnNext<T>(value: T): Notification<T>;
        /**
        * Creates an object that represents an OnError notification to an observer.
        * @param {Any} error The exception contained in the notification.
        * @returns {Notification} The OnError notification containing the exception.
        */
        createOnError<T>(exception: any): Notification<T>;
        /**
        * Creates an object that represents an OnCompleted notification to an observer.
        * @returns {Notification} The OnCompleted notification.
        */
        createOnCompleted<T>(): Notification<T>;
    }

    export var Notification : NotificationStatic;

	export interface Observer<T> {
        makeSafe(disposable: IDisposable): Observer<T>;
	}

    export module internals {
        /**
        * Abstract base class for implementations of the Observer class.
        * This base class enforces the grammar of observers where OnError and OnCompleted are terminal messages.
        */
        export interface AbstractObserver<T> extends Rx.IObserver<T>, Rx.IDisposable {
            /**
            * Notifies the observer of a new element in the sequence.
            * @param {Any} value Next element in the sequence.
            */
            onNext(value: T): void;
            /**
            * Notifies the observer that an exception has occurred.
            * @param {Any} error The error that has occurred.
            */
            onError(exception: any): void;
            /**
            * Notifies the observer of the end of the sequence.
            */
            onCompleted(): void;

            isStopped: boolean;

            /**
            * Disposes the observer, causing it to transition to the stopped state.
            */
            dispose(): void;

            fail(e: any): boolean;

            // Must be implemented by other observers
            next(value: T): void;
            error(error: any): void;
            completed(): void;
        }

        interface AbstractObserverStatic {
            new <T>(): AbstractObserver<T>;
        }

        export var AbstractObserver: AbstractObserverStatic
    }

    /**
     * Class to create an Observer instance from delegate-based implementations of the on* methods.
     */
    export interface AnonymousObserver<T> extends Observer<T> {
        /**
        * Notifies the observer of a new element in the sequence.
        * @param {Any} value Next element in the sequence.
        */
        onNext(value: T): void;
        /**
        * Notifies the observer that an exception has occurred.
        * @param {Any} error The error that has occurred.
        */
        onError(exception: any): void;
        /**
        * Notifies the observer of the end of the sequence.
        */
        onCompleted(): void;
    }

    interface AnonymousObserverStatic {
        /**
         * Creates an observer from the specified OnNext, OnError, and OnCompleted actions.
         * @param {Any} onNext Observer's OnNext action implementation.
         * @param {Any} onError Observer's OnError action implementation.
         * @param {Any} onCompleted Observer's OnCompleted action implementation.
         */
        new <T>(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): AnonymousObserver<T>;
    }

    export var AnonymousObserver : AnonymousObserverStatic;

    export interface CheckedObserver<T> extends Observer<T> {
        checkAccess(): void;
    }

    export module internals {
        export interface ScheduledObserver<T> extends Observer<T> {
            ensureActive(): void;
        }
    }

    export interface Observable<T> {
        /**
        *  Wraps the source sequence in order to run its observer callbacks on the specified scheduler.
        *
        *  This only invokes observer callbacks on a scheduler. In case the subscription and/or unsubscription actions have side-effects
        *  that require to be run on a scheduler, use subscribeOn.
        *
        *  @param {Scheduler} scheduler Scheduler to notify observers on.
        *  @returns {Observable} The source sequence whose observations happen on the specified scheduler.
        */
        observeOn(scheduler: IScheduler): Observable<T>;
    }

    export interface Observable<T> {
        /**
        *  Wraps the source sequence in order to run its subscription and unsubscription logic on the specified scheduler. This operation is not commonly used;
        *  see the remarks section for more information on the distinction between subscribeOn and observeOn.

        *  This only performs the side-effects of subscription and unsubscription on the specified scheduler. In order to invoke observer
        *  callbacks on a scheduler, use observeOn.

        *  @param {Scheduler} scheduler Scheduler to perform subscription and unsubscription actions on.
        *  @returns {Observable} The source sequence whose subscriptions and unsubscriptions happen on the specified scheduler.
        */
        subscribeOn(scheduler: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        * Converts a Promise to an Observable sequence
        * @param {Promise} An ES6 Compliant promise.
        * @returns {Observable} An Observable sequence which wraps the existing promise success and failure.
        */
 		fromPromise<T>(promise: Promise<T>): Observable<T>;
    }

    export interface Observable<T> {
        /*
         * Converts an existing observable sequence to an ES6 Compatible Promise
         * @example
         * var promise = Rx.Observable.return(42).toPromise(RSVP.Promise);
         *
         * // With config
         * Rx.config.Promise = RSVP.Promise;
         * var promise = Rx.Observable.return(42).toPromise();
         * @param {Function} [promiseCtor] The constructor of the promise. If not provided, it looks for it in Rx.config.Promise.
         * @returns {Promise} An ES6 compatible promise with the last value from the observable sequence.
         */
        toPromise(promiseCtor?: { new (resolver: (resolvePromise: (value: T) => void, rejectPromise: (reason: any) => void) => void): IPromise<T>; }): IPromise<T>;
        /*
         * Converts an existing observable sequence to an ES6 Compatible Promise
         * @example
         * var promise = Rx.Observable.return(42).toPromise(RSVP.Promise);
         *
         * // With config
         * Rx.config.Promise = RSVP.Promise;
         * var promise = Rx.Observable.return(42).toPromise();
         * @param {Function} [promiseCtor] The constructor of the promise. If not provided, it looks for it in Rx.config.Promise.
         * @returns {Promise} An ES6 compatible promise with the last value from the observable sequence.
         */
        toPromise<TPromise extends IPromise<T>>(promiseCtor: { new (resolver: (resolvePromise: (value: T) => void, rejectPromise: (reason: any) => void) => void): TPromise; }): TPromise;
    }

    export interface Observable<T> {
        /**
        * Creates an array from an observable sequence.
        * @returns {Observable} An observable sequence containing a single element with a list containing all the elements of the source sequence.
        */
        toArray(): Observable<T[]>;
    }

    export interface ObservableStatic {
        /**
        *  Creates an observable sequence from a specified subscribe method implementation.
        * @example
        *  var res = Rx.Observable.create(function (observer) { return function () { } );
        *  var res = Rx.Observable.create(function (observer) { return Rx.Disposable.empty; } );
        *  var res = Rx.Observable.create(function (observer) { } );
        * @param {Function} subscribe Implementation of the resulting observable sequence's subscribe method, returning a function that will be wrapped in a Disposable.
        * @returns {Observable} The observable sequence with the specified implementation for the Subscribe method.
        */
        create<T>(subscribe: (observer: Observer<T>) => IDisposable | Function | void): Observable<T>;
    }

    export interface ObservableStatic {
        /**
          *  Returns an observable sequence that invokes the specified factory function whenever a new observer subscribes.
          *
          * @example
          *  var res = Rx.Observable.defer(function () { return Rx.Observable.fromArray([1,2,3]); });
          * @param {Function} observableFactory Observable factory function to invoke for each observer that subscribes to the resulting sequence or Promise.
          * @returns {Observable} An observable sequence whose observers trigger an invocation of the given observable factory function.
          */
        defer<T>(observableFactory: () => ObservableOrPromise<T>): Observable<T>;
    }

    export interface ObservableStatic {
        /**
  *  Returns an empty observable sequence, using the specified scheduler to send out the single OnCompleted message.
  *
  * @example
  *  var res = Rx.Observable.empty();
  *  var res = Rx.Observable.empty(Rx.Scheduler.timeout);
  * @param {Scheduler} [scheduler] Scheduler to send the termination call on.
  * @returns {Observable} An observable sequence with no elements.
  */
        empty<T>(scheduler?: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
         * This method creates a new Observable sequence from an array-like or iterable object.
         * @param {Any} arrayLike An array-like or iterable object to convert to an Observable sequence.
         * @param {Function} [mapFn] Map function to call on every element of the array.
         * @param {Any} [thisArg] The context to use calling the mapFn if provided.
         * @param {Scheduler} [scheduler] Optional scheduler to use for scheduling.  If not provided, defaults to Scheduler.currentThread.
         */
        from<T>(array: ArrayOrIterable<T>): Observable<T>;
        /**
         * This method creates a new Observable sequence from an array-like or iterable object.
         * @param {Any} arrayLike An array-like or iterable object to convert to an Observable sequence.
         * @param {Function} [mapFn] Map function to call on every element of the array.
         * @param {Any} [thisArg] The context to use calling the mapFn if provided.
         * @param {Scheduler} [scheduler] Optional scheduler to use for scheduling.  If not provided, defaults to Scheduler.currentThread.
         */
        from<T, TResult>(array: ArrayOrIterable<T>, mapFn: (value: T, index: number) => TResult, thisArg?: any, scheduler?: IScheduler): Observable<TResult>;
    }

    export interface ObservableStatic {
        /**
         *  Converts an array to an observable sequence, using an optional scheduler to enumerate the array.
         * @deprecated use Observable.from or Observable.of
         * @param {Scheduler} [scheduler] Scheduler to run the enumeration of the input sequence on.
         * @returns {Observable} The observable sequence whose elements are pulled from the given enumerable sequence.
         */
        fromArray<T>(array: ArrayLike<T>, scheduler?: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
         *  Generates an observable sequence by running a state-driven loop producing the sequence's elements, using the specified scheduler to send out observer messages.
         *
         * @example
         *  var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; });
         *  var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; }, Rx.Scheduler.timeout);
         * @param {Mixed} initialState Initial state.
         * @param {Function} condition Condition to terminate generation (upon returning false).
         * @param {Function} iterate Iteration step function.
         * @param {Function} resultSelector Selector function for results produced in the sequence.
         * @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not provided, defaults to Scheduler.currentThread.
         * @returns {Observable} The generated sequence.
         */
        generate<TState, TResult>(initialState: TState, condition: (state: TState) => boolean, iterate: (state: TState) => TState, resultSelector: (state: TState) => TResult, scheduler?: IScheduler): Observable<TResult>;
    }

    export interface ObservableStatic {
        /**
        *  This method creates a new Observable instance with a variable number of arguments, regardless of number or type of the arguments.
        * @returns {Observable} The observable sequence whose elements are pulled from the given arguments.
        */
        of<T>(...values: T[]): Observable<T>;

        /**
        *  This method creates a new Observable instance with a variable number of arguments, regardless of number or type of the arguments.
        * @param {Scheduler} scheduler A scheduler to use for scheduling the arguments.
        * @returns {Observable} The observable sequence whose elements are pulled from the given arguments.
        */
        ofWithScheduler<T>(scheduler?: IScheduler, ...values: T[]): Observable<T>;
    }

    export interface ArrayObserveChange<T> {
        type: string;
        object: T[];
        name?: string;
        oldValue?: T;
        index?: number;
        removed?: T[];
        added?: number;
    }

    export interface ObservableStatic {
        /**
         * Creates an Observable sequence from changes to an array using Array.observe.
         * @param {Array} array An array to observe changes.
         * @returns {Observable} An observable sequence containing changes to an array from Array.observe.
         */
        ofArrayChanges<T>(obj: T[]): Observable<ArrayObserveChange<T>>;
    }

    export interface ObjectObserveChange<T> {
        type: string;
        object: T;
        name: string;
        oldValue?: any;
    }

    export interface ObservableStatic {
        /**
         * Creates an Observable sequence from changes to an object using Object.observe.
         * @param {Object} obj An object to observe changes.
         * @returns {Observable} An observable sequence containing changes to an object from Object.observe.
         */
        ofObjectChanges<T>(obj: T): Observable<ObjectObserveChange<T>>;
    }

    export interface ObservableStatic {
        /**
        * Returns a non-terminating observable sequence, which can be used to denote an infinite duration (e.g. when using reactive joins).
        * @returns {Observable} An observable sequence whose observers will never get called.
        */
        never<T>(): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        * Convert an object into an observable sequence of [key, value] pairs.
        * @param {Object} obj The object to inspect.
        * @param {Scheduler} [scheduler] Scheduler to run the enumeration of the input sequence on.
        * @returns {Observable} An observable sequence of [key, value] pairs from the object.
        */
        pairs<T>(obj: { [key: string]: T }, scheduler?: IScheduler): Observable<[string, T]>;
        /**
        * Convert an object into an observable sequence of [key, value] pairs.
        * @param {Object} obj The object to inspect.
        * @param {Scheduler} [scheduler] Scheduler to run the enumeration of the input sequence on.
        * @returns {Observable} An observable sequence of [key, value] pairs from the object.
        */
        pairs<T>(obj: { [key: number]: T }, scheduler?: IScheduler): Observable<[number, T]>;
    }

    export interface ObservableStatic {
        /**
        *  Generates an observable sequence of integral numbers within a specified range, using the specified scheduler to send out observer messages.
        *
        * @example
        *  var res = Rx.Observable.range(0, 10);
        *  var res = Rx.Observable.range(0, 10, Rx.Scheduler.timeout);
        * @param {Number} start The value of the first integer in the sequence.
        * @param {Number} count The number of sequential integers to generate.
        * @param {Scheduler} [scheduler] Scheduler to run the generator loop on. If not specified, defaults to Scheduler.currentThread.
        * @returns {Observable} An observable sequence that contains a range of sequential integral numbers.
        */
        range(start: number, count: number, scheduler?: IScheduler): Observable<number>;
    }

    export interface ObservableStatic {
        /**
         *  Generates an observable sequence that repeats the given element the specified number of times, using the specified scheduler to send out observer messages.
         *
         * @example
         *  var res = Rx.Observable.repeat(42);
         *  var res = Rx.Observable.repeat(42, 4);
         *  3 - res = Rx.Observable.repeat(42, 4, Rx.Scheduler.timeout);
         *  4 - res = Rx.Observable.repeat(42, null, Rx.Scheduler.timeout);
         * @param {Mixed} value Element to repeat.
         * @param {Number} repeatCount [Optiona] Number of times to repeat the element. If not specified, repeats indefinitely.
         * @param {Scheduler} scheduler Scheduler to run the producer loop on. If not specified, defaults to Scheduler.immediate.
         * @returns {Observable} An observable sequence that repeats the given element the specified number of times.
         */
        repeat<T>(value: T, repeatCount?: number | void, scheduler?: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        *  Returns an observable sequence that contains a single element, using the specified scheduler to send out observer messages.
        *  There is an alias called 'just' or browsers <IE9.
        * @param {Mixed} value Single element in the resulting observable sequence.
        * @param {Scheduler} scheduler Scheduler to send the single element on. If not specified, defaults to Scheduler.immediate.
        * @returns {Observable} An observable sequence containing the single specified element.
        */
        return<T>(value: T, scheduler?: IScheduler): Observable<T>;
        /**
        *  Returns an observable sequence that contains a single element, using the specified scheduler to send out observer messages.
        *  There is an alias called 'just' or browsers <IE9.
        * @param {Mixed} value Single element in the resulting observable sequence.
        * @param {Scheduler} scheduler Scheduler to send the single element on. If not specified, defaults to Scheduler.immediate.
        * @returns {Observable} An observable sequence containing the single specified element.
        */
        just<T>(value: T, scheduler?: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        *  Returns an observable sequence that terminates with an exception, using the specified scheduler to send out the single onError message.
        * @param {Mixed} error An object used for the sequence's termination.
        * @param {Scheduler} scheduler Scheduler to send the exceptional termination call on. If not specified, defaults to Scheduler.immediate.
        * @returns {Observable} The observable sequence that terminates exceptionally with the specified exception object.
        */
        throw<T>(exception: Error, scheduler?: IScheduler): Observable<T>;
        /**
        *  Returns an observable sequence that terminates with an exception, using the specified scheduler to send out the single onError message.
        * @param {Mixed} error An object used for the sequence's termination.
        * @param {Scheduler} scheduler Scheduler to send the exceptional termination call on. If not specified, defaults to Scheduler.immediate.
        * @returns {Observable} The observable sequence that terminates exceptionally with the specified exception object.
        */
        throw<T>(exception: any, scheduler?: IScheduler): Observable<T>;
    }

    export interface ObservableStatic {
        /**
         * Constructs an observable sequence that depends on a resource object, whose lifetime is tied to the resulting observable sequence's lifetime.
         * @param {Function} resourceFactory Factory function to obtain a resource object.
         * @param {Function} observableFactory Factory function to obtain an observable sequence that depends on the obtained resource.
         * @returns {Observable} An observable sequence whose lifetime controls the lifetime of the dependent resource object.
         */
        using<TSource, TResource extends IDisposable>(resourceFactory: () => TResource, observableFactory: (resource: TResource) => Observable<TSource>): Observable<TSource>;
    }

    export interface Observable<T> {
        /**
        * Propagates the observable sequence or Promise that reacts first.
        * @param {Observable} rightSource Second observable sequence or Promise.
        * @returns {Observable} {Observable} An observable sequence that surfaces either of the given sequences, whichever reacted first.
        */
        amb(observable: ObservableOrPromise<T>): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        * Propagates the observable sequence or Promise that reacts first.
        * @returns {Observable} An observable sequence that surfaces any of the given sequences, whichever reacted first.
        */
        amb<T>(observables: ObservableOrPromise<T>[]): Observable<T>;
        /**
        * Propagates the observable sequence or Promise that reacts first.
        * @returns {Observable} An observable sequence that surfaces any of the given sequences, whichever reacted first.
        */
        amb<T>(...observables: ObservableOrPromise<T>[]): Observable<T>;
    }

    export interface Observable<T> {
        /**
        * Continues an observable sequence that is terminated by an exception with the next observable sequence.
        * @param {Mixed} handlerOrSecond Exception handler function that returns an observable sequence given the error that occurred in the first sequence, or a second observable sequence used to produce results when an error occurred in the first sequence.
        * @returns {Observable} An observable sequence containing the first sequence's elements, followed by the elements of the handler sequence in case an exception occurred.
        */
        catch(handler: (exception: any) => ObservableOrPromise<T>): Observable<T>;
        /**
        * Continues an observable sequence that is terminated by an exception with the next observable sequence.
        * @param {Mixed} handlerOrSecond Exception handler function that returns an observable sequence given the error that occurred in the first sequence, or a second observable sequence used to produce results when an error occurred in the first sequence.
        * @returns {Observable} An observable sequence containing the first sequence's elements, followed by the elements of the handler sequence in case an exception occurred.
        */
        catch(second: ObservableOrPromise<T>): Observable<T>;
    }

    export interface ObservableStatic {
        /**
        * Continues an observable sequence that is terminated by an exception with the next observable sequence.
        * @param {Array | Arguments} args Arguments or an array to use as the next sequence if an error occurs.
        * @returns {Observable} An observable sequence containing elements from consecutive source sequences until a source sequence terminates successfully.
        */
        catch<T>(sources: ObservableOrPromise<T>[]): Observable<T>;
        /**
        * Continues an observable sequence that is terminated by an exception with the next observable sequence.
        * @param {Array | Arguments} args Arguments or an array to use as the next sequence if an error occurs.
        * @returns {Observable} An observable sequence containing elements from consecutive source sequences until a source sequence terminates successfully.
        */
        catch<T>(...sources: ObservableOrPromise<T>[]): Observable<T>;
    }

    export interface Observable<T> {
        /**
        * Merges the specified observable sequences into one observable sequence by using the selector function whenever any