/**
* A Symbol which contains Thenable state.
*/
declare const THENABLE_SYMBOL: unique symbol;
type WithThenableState<T> = T & {
	[THENABLE_SYMBOL]?: ThenableState;
};
/**
* An object representing the status of a Thenable.
*/
export type ThenableState = {
	pending: boolean;
	result?: unknown;
};
/**
* Get or inject a state into a Thenable object.
* @param target The Thenable to extend.
* @returns The Thenable state instance.
*/
export declare const getThenableState: (target: WithThenableState<Promise<unknown>>) => ThenableState;
export {};