@microsoft/teams.common/dist/storage/storage.d.ts

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/**
 * a storage container that can
 * get/set/delete items by a unique key
 */
interface IStorage<TKey = any, TValue = any> {
    get(key: TKey): TValue | undefined | Promise<TValue | undefined>;
    set(key: TKey, value: TValue): void | Promise<void>;
    delete(key: TKey): void | Promise<void>;
}
/**
 * a list storage container that can
 * store/query iterable data
 *
 * @deprecated Use `IStorage` for persistence and keep ordered collection
 * semantics in an application-specific abstraction.
 */
interface IListStorage<TValue = any> extends IStorage<number, TValue> {
    push(value: TValue): void | Promise<void>;
    pop(): (TValue | undefined) | Promise<TValue | undefined>;
    values(): Array<TValue> | Promise<Array<TValue>>;
    length(): number | Promise<number>;
    where(predicate: (value: TValue, index: number) => boolean): Array<TValue>;
}

export type { IListStorage, IStorage };