import { OperationObject, Resource } from "./operation";
import type { FutureLike } from "./future";
export declare function isPromise(value: any): value is PromiseLike<unknown>;
export declare function isGenerator(value: any): value is Iterator<unknown>;
export declare function isFuture<T>(value: any): value is FutureLike<T>;
export declare function isResource<TOut>(value: any): value is Resource<TOut>;
export declare function isObjectOperation<TOut>(x: unknown): x is OperationObject<TOut>;
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