import type { Snapshot, FulfilledSnapshot, ErrorSnapshot, StaleSnapshot, PendingSnapshot, UnfulfilledSnapshot, SnapshotRefresh, ErrorResponse } from '../interfaces/Snapshot';
export declare function isErrorSnapshot(snapshot: Snapshot<unknown, unknown>): snapshot is ErrorSnapshot;
export declare function isFulfilledSnapshot(snapshot: Snapshot<unknown, unknown>): snapshot is FulfilledSnapshot<unknown, unknown>;
export declare function isStaleSnapshot(snapshot: Snapshot<unknown, unknown>): snapshot is StaleSnapshot<unknown, unknown>;
export declare function isUnfulfilledSnapshot(snapshot: Snapshot<unknown, unknown>): snapshot is UnfulfilledSnapshot<unknown, unknown>;
export declare function isPendingSnapshot(snapshot: Snapshot<unknown, unknown>): snapshot is PendingSnapshot<unknown, unknown>;
export declare function createErrorSnapshot(error: ErrorResponse, refresh?: SnapshotRefresh<unknown>): ErrorSnapshot;