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 {};