import { Ctor } from '@ne1410s/codl';
/**
 * A contract for that which generates a response from a request.
 */
export interface IOperation<TRequest, TResponse> {
    /**
     * Performs the commands necessary to yield a response.
     * @param requestData The request data.
     * @throws {OperationInvocationError}
     */
    invoke(requestData: TRequest): Promise<TResponse>;
    /**
     * Checks the data in a request.
     * @param requestData The request data.
     * @throws {ValidationError}
     */
    validateRequest(requestData: TRequest): void;
    /**
     * Checks the data in a response.
     * @param responseData The response data.
     * @throws {ValidationError}
     */
    validateResponse(responseData: TResponse): void;
}
/**
 * Base implementation for that which generates a response from a request.
 */
export declare abstract class OperationBase<TRequest, TResponse> implements IOperation<TRequest, TResponse> {
    private readonly requestType?;
    private readonly responseType?;
    /**
     * Creates a new instance. Parameters are model prototypes. They are only
     * needed if automatic validation (of @ne1410s/codl decorators) is required.
     * @param requestType The request type.
     * @param responseType The response type.
     */
    constructor(requestType?: Ctor<TRequest>, responseType?: Ctor<TResponse>);
    /**
     * @inheritdoc
     */
    invoke(requestData: TRequest): Promise<TResponse>;
    /** Validates a request according to @ne1410s/codl decorators. */
    validateRequest(requestData: TRequest): void;
    /** Validates the response according to @ne1410s/codl decorators. */
    validateResponse(responseData: TResponse): void;
    /**
     *
     * @param requestData The request data.
     */
    protected abstract invokeInternal(requestData: TRequest): Promise<TResponse>;
}