import 'reflect-metadata';
/**
 * Constructor type for metatype
 */
type MetaType = new (...args: unknown[]) => unknown;
/**
 * Argument metadata for pipe transformation
 */
export interface ArgumentMetadata {
    type: 'body' | 'param' | 'query' | 'custom';
    metatype?: MetaType;
    data?: string | undefined;
}
/**
 * Pipe Interface
 *
 * Pipes are used to transform and validate input data before it reaches the tool handler.
 * Similar to NestJS pipes.
 *
 * @example
 * ```typescript
 * @Pipe()
 * export class ValidationPipe implements PipeInterface {
 *   transform(value: unknown, metadata: ArgumentMetadata) {
 *     if (!this.isValid(value)) {
 *       throw new Error('Validation failed');
 *     }
 *     return value;
 *   }
 * }
 * ```
 */
export interface PipeInterface<T = unknown, R = unknown> {
    transform(value: T, metadata: ArgumentMetadata): R | Promise<R>;
}
/**
 * Pipe constructor type
 */
export type PipeConstructor = new (...args: unknown[]) => PipeInterface;
export {};
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