export declare function api(description?: ApiDescription): (constructor: Function) => void;
export interface ApiDescription {
}
export declare function endpoint(description: EndpointDescription): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => void;
export interface EndpointDescription {
    method: HttpMethod;
    path: string;
    requestContentType?: HttpContentType;
    successStatusCode?: number;
}
export declare function genericError<T>(): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => void;
export declare function specificError<T>(description: ErrorDescription): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => void;
export interface ErrorDescription {
    name: string;
    statusCode: number;
}
export declare function isHttpMethod(method: string): method is HttpMethod;
export declare function isHttpContentType(contentType: string): contentType is HttpContentType;
export declare type HttpContentType = "application/json" | "text/html";
export declare type HttpMethod = "GET" | "HEAD" | "POST" | "PUT" | "DELETE" | "CONNECT" | "OPTIONS" | "TRACE" | "PATCH";
export declare function request(target: any, propertyKey: string, parameterIndex: number): void;
export declare function pathParam(target: any, propertyKey: string, parameterIndex: number): void;
export declare function header(description: HeaderDescription): (target: any, propertyKey: string, parameterIndex: number) => void;
export interface HeaderDescription {
    name: string;
}
export declare type Optional<T> = T | void;