export interface DiffOperation {
    id: string;
    filePath: string;
    originalContent: string;
    newContent: string;
    patch: string;
    reason: string;
    createdAt: Date;
    applied: boolean;
}
export declare class DiffManager {
    private static pendingOperations;
    static createDiff(filePath: string, newContent: string, reason: string): Promise<DiffOperation>;
    static getPendingOperation(operationId: string): DiffOperation | undefined;
    static applyDiff(operationId: string, approved: boolean): Promise<{
        success: boolean;
        message: string;
    }>;
    static listPendingOperations(): DiffOperation[];
    static cancelOperation(operationId: string): boolean;
    static clearExpiredOperations(maxAgeMinutes?: number): number;
}