interface VectorIndexDirectorySwitchOptions {
    renameDirectory?: (source: string, destination: string) => Promise<void>;
    removeDirectory?: (directory: string) => Promise<void>;
    waitBeforeRetry?: (milliseconds: number) => Promise<void>;
    reportWarning?: (warning: Error) => void;
}
export interface VectorIndexDirectoryActivation {
    activeDirectory: string;
    rebuildDirectory: string;
    previousDirectory: string;
    hadActiveDirectory: boolean;
}
export declare class VectorIndexDirectorySwitch {
    private readonly renameDirectory;
    private readonly removeDirectory;
    private readonly waitBeforeRetry;
    private readonly reportWarning;
    constructor(options?: VectorIndexDirectorySwitchOptions);
    activate(activeDirectory: string, rebuildDirectory: string, previousDirectory: string): Promise<{
        activeDirectory: string;
        rebuildDirectory: string;
        previousDirectory: string;
        hadActiveDirectory: boolean;
    }>;
    rollback(activation: VectorIndexDirectoryActivation): Promise<void>;
    cleanup(directory: string, operation: string): Promise<void>;
    private move;
}
export {};