import type { RedisClient } from '../types.js';
export interface MigrationResult {
    success: boolean;
    errors: string[];
}
export interface BackupResult extends MigrationResult {
    sessionCount: number;
    backupSize: number;
    error?: string;
}
export interface RestoreResult extends MigrationResult {
    restoredCount: number;
    skippedCount: number;
}
export interface SessionMigrationResult extends MigrationResult {
    migratedCount: number;
    failedCount: number;
}
export interface BackupValidationResult {
    valid: boolean;
    version?: string;
    sessionCount?: number;
    timestamp?: string;
    errors: string[];
}
export interface BackupData {
    timestamp: string;
    version: string;
    sessionCount: number;
    preserveTTL: boolean;
    sessions: BackupSession[];
}
export interface BackupSession {
    key: string;
    data: string;
    ttl?: number;
}
export interface MigrationStrategy {
    name: string;
    validate(data: unknown): boolean;
    execute(source: RedisClient, target: RedisClient, options: MigrationOptions): Promise<SessionMigrationResult>;
}
export interface MigrationOptions {
    batchSize: number;
    preserveTTL: boolean;
    overwrite?: boolean;
    dryRun?: boolean;
    validateOnly?: boolean;
}
export interface BackupOptions {
    preserveTTL?: boolean;
    compress?: boolean;
}
export interface RestoreOptions {
    overwrite?: boolean;
    dryRun?: boolean;
    validateOnly?: boolean;
}
export interface MigrationContext {
    operation: 'backup' | 'restore' | 'migrate';
    startTime: Date;
    options: MigrationOptions | BackupOptions | RestoreOptions;
}
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