/**
 * Data Erasure Tool
 *
 * Deletion of user data with best-effort logical wiping.
 * Implements GDPR Article 17 (Right to Erasure / Right to be Forgotten).
 *
 * Added by Pantheon Security for enterprise compliance support.
 */
import type { ErasureRequest, ErasureScope } from "./types.js";
/**
 * Data Erasure Manager class
 */
export declare class DataErasureManager {
    private static instance;
    private erasureLogFile;
    private erasureRequests;
    private loaded;
    private constructor();
    /**
     * Get singleton instance
     */
    static getInstance(): DataErasureManager;
    /**
     * Load erasure history from storage
     */
    private load;
    /**
     * Save erasure history to storage
     */
    private save;
    /**
     * Create a new erasure request
     */
    createRequest(scope?: Partial<ErasureScope>): Promise<ErasureRequest>;
    /**
     * Confirm and execute an erasure request
     */
    confirmAndExecute(requestId: string): Promise<ErasureRequest | null>;
    /**
     * Erase notebook library
     */
    private eraseNotebooks;
    /**
     * Erase user settings
     */
    private eraseSettings;
    /**
     * Erase browser data
     */
    private eraseBrowserData;
    /**
     * Erase audit logs
     */
    private eraseAuditLogs;
    /**
     * Erase encryption keys (crypto shred)
     */
    private eraseEncryptionKeys;
    /**
     * Erase consent records
     */
    private eraseConsentRecords;
    /**
     * Erase privacy acknowledgments
     */
    private erasePrivacyAcknowledgments;
    /**
     * Get erasure request by ID
     */
    getRequest(requestId: string): Promise<ErasureRequest | null>;
    /**
     * Get all erasure requests
     */
    getAllRequests(): Promise<ErasureRequest[]>;
    /**
     * Get pending erasure requests
     */
    getPendingRequests(): Promise<ErasureRequest[]>;
    /**
     * Cancel a pending erasure request
     */
    cancelRequest(requestId: string): Promise<boolean>;
    /**
     * Get erasure summary
     */
    getSummary(): Promise<{
        total_requests: number;
        pending_requests: number;
        completed_requests: number;
        total_items_deleted: number;
        total_bytes_deleted: number;
    }>;
}
/**
 * Get the data erasure manager instance
 */
export declare function getDataErasureManager(): DataErasureManager;
/**
 * Create a new erasure request
 */
export declare function createErasureRequest(scope?: Partial<ErasureScope>): Promise<ErasureRequest>;
/**
 * Confirm and execute an erasure request
 */
export declare function executeErasureRequest(requestId: string): Promise<ErasureRequest | null>;
/**
 * Get pending erasure requests
 */
export declare function getPendingErasureRequests(): Promise<ErasureRequest[]>;