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langsmith

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Client library to connect to the LangSmith Observability and Evaluation Platform.

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export type PromiseOrValue<T> = T | Promise<T>; export type HTTPMethod = 'get' | 'post' | 'put' | 'patch' | 'delete'; export type KeysEnum<T> = { [P in keyof Required<T>]: true; }; export type FinalizedRequestInit = RequestInit & { headers: Headers; }; type NotAny<T> = [0] extends [1 & T] ? never : T; /** * Some environments overload the global fetch function, and Parameters<T> only gets the last signature. */ type OverloadedParameters<T> = T extends ({ (...args: infer A): unknown; (...args: infer B): unknown; (...args: infer C): unknown; (...args: infer D): unknown; }) ? A | B | C | D : T extends ({ (...args: infer A): unknown; (...args: infer B): unknown; (...args: infer C): unknown; }) ? A | B | C : T extends ({ (...args: infer A): unknown; (...args: infer B): unknown; }) ? A | B : T extends (...args: infer A) => unknown ? A : never; /** @ts-ignore For users who use Deno */ type FetchRequestInit = NonNullable<OverloadedParameters<typeof fetch>[1]>; type RequestInits = NotAny<RequestInit> | NotAny<FetchRequestInit>; /** * This type contains `RequestInit` options that may be available on the current runtime, * including per-platform extensions like `dispatcher`, `agent`, `client`, etc. */ export type MergedRequestInit = RequestInits & /** We don't include these in the types as they'll be overridden for every request. */ Partial<Record<'body' | 'headers' | 'method' | 'signal', never>>; export {};