import * as i0 from "@angular/core";
/**
 * Service for managing session-related storage operations
 */
export declare class FgsStorageService {
    private config;
    private get storageKeys();
    private get cookieConfig();
    /**
     * Get auth token from cookie
     */
    getAuthToken(): string | null;
    /**
     * Set auth token in cookie
     */
    setAuthToken(token: string): boolean;
    /**
     * Remove auth token cookie
     */
    removeAuthToken(): boolean;
    /**
     * Get session ID from sessionStorage
     */
    getSessionId(): string | null;
    /**
     * Set session ID in sessionStorage
     */
    setSessionId(sessionId: string): boolean;
    /**
     * Remove session ID from sessionStorage
     */
    removeSessionId(): boolean;
    /**
     * Get session auth token from sessionStorage
     */
    getSessionAuthToken(): string | null;
    /**
     * Set session auth token in sessionStorage
     */
    setSessionAuthToken(token: string): boolean;
    /**
     * Remove session auth token from sessionStorage
     */
    removeSessionAuthToken(): boolean;
    /**
     * Get user data from sessionStorage
     */
    getUserData<T = any>(): T | null;
    /**
     * Set user data in sessionStorage
     */
    setUserData(userData: any): boolean;
    /**
     * Remove user data from sessionStorage
     */
    removeUserData(): boolean;
    /**
     * Get last API call timestamp
     */
    getLastApiCallTime(): number | null;
    /**
     * Set last API call timestamp
     */
    setLastApiCallTime(timestamp?: number): boolean;
    /**
     * Remove last API call timestamp
     */
    removeLastApiCallTime(): boolean;
    /**
     * Get last user activity timestamp
     */
    getLastActivityTime(): number | null;
    /**
     * Set last user activity timestamp
     */
    setLastActivityTime(timestamp?: number): boolean;
    /**
     * Remove last activity timestamp
     */
    removeLastActivityTime(): boolean;
    /**
     * Get device ID from sessionStorage
     */
    getDeviceId(): string | null;
    /**
     * Set device ID in sessionStorage
     */
    setDeviceId(deviceId: string): boolean;
    /**
     * Remove device ID from sessionStorage
     */
    removeDeviceId(): boolean;
    /**
     * Get any item from sessionStorage
     */
    getItem<T = any>(key: string): T | null;
    /**
     * Set any item in sessionStorage
     */
    setItem(key: string, value: any): boolean;
    /**
     * Remove any item from sessionStorage
     */
    removeItem(key: string): boolean;
    /**
     * Clear all session-related storage
     */
    clearAll(): void;
    /**
     * Clear only sessionStorage
     */
    clearSessionStorage(): boolean;
    /**
     * Check if user is authenticated (has token and user data)
     */
    isAuthenticated(): boolean;
    /**
     * Get all session-related data
     */
    getAllSessionData(): {
        authToken: string | null;
        sessionId: string | null;
        sessionAuthToken: string | null;
        userData: any;
        lastApiCallTime: number | null;
        lastActivityTime: number | null;
        deviceId: string | null;
    };
    static ɵfac: i0.ɵɵFactoryDeclaration<FgsStorageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FgsStorageService>;
}
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