export type UnPromisify<T> = T extends Promise<infer U> ? U : T;
export type WithoutPromise<T> = UnPromisify<T>;
export type IsNotPromise<T> = T extends Promise<never> ? never : T;
export type Promisable<T> = T | Promise<T>;
export type NonPromise<T> = T extends Promise<never> ? never : T;
export declare function isPromise<R extends Promise<T>, T>(a: unknown): a is R;
export declare function isNotPromise<T>(a: T): T;
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