import { TOperation, TOperatorFunction } from "./database/firestore/types";
export declare function hasStorageSupport(): boolean;
export declare function hasContextSupport(): boolean;
export declare function checkPersistenceSupport(persistence: any): void;
export declare function getStorage(queryKey: string): any;
export declare function setStorage(queryKey: string, item: any): void;
export declare function getSessionItem(queryKey: string): any;
export declare function setSessionItem(queryKey: string, item: any): void;
export declare function isServer(): boolean;
export declare const operators: Record<TOperation, TOperatorFunction>;
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