import type { ApiEndpoint, ApiController } from '../interfaces';
export declare class MetadataExtractor {
    static extractControllerMetadata(controller: any): Pick<ApiController, 'description' | 'tags'> | null;
    static extractControllerPath(controller: any): string;
    static extractEndpointMetadata(prototype: any, methodName: string): ApiEndpoint | null;
    static extractMethodNames(prototype: any): string[];
    private static convertMethodValueToString;
}