langsmith
Version:
Client library to connect to the LangSmith Observability and Evaluation Platform.
19 lines (18 loc) • 866 B
TypeScript
type HeaderValue = string | undefined | null;
declare const brand_privateNullableHeaders: unique symbol;
/**
* Users can pass explicit nulls to unset default headers. When we parse them
* into a standard headers type we need to preserve that information.
*/
export type NullableHeaders = {
/** Brand check, prevent users from creating a NullableHeaders. */
[brand_privateNullableHeaders]: true;
/** Parsed headers. */
values: Headers;
/** Set of lowercase header names explicitly set to null. */
nulls: Set<string>;
};
export type HeadersLike = Headers | readonly HeaderValue[][] | Record<string, HeaderValue | readonly HeaderValue[]> | undefined | null | NullableHeaders;
export declare const buildHeaders: (newHeaders: HeadersLike[]) => NullableHeaders;
export declare const isEmptyHeaders: (headers: HeadersLike) => boolean;
export {};