export declare class SessionStorageUtils {
    storage: any;
    constructor(storage?: {
        setItem(key: string, value: string): void;
        getItem(key: string): void;
        removeItem(key: string): void;
        clear(): void;
    });
    clear(): void;
    remove(key: string): void;
    set(key: string, value: any): void;
    get(key: string): string;
    getJsonObj(key: string): any;
    getLogLeave(): any;
    setLogLeave(logLeave: string): void;
}
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