import ParamAnnotation from './ParamAnnotation';
declare class RequestParam extends ParamAnnotation {
    file?: boolean;
    constructor();
}
/**
 * 从query请求参数中，提取指定名称的参数值
 *
 *  action(@RequestParam id)
 *
 *  action(@RequestParam({ required: true }) id)
 *
 */
declare const _default: {
    (options: string | import("../Target").CreateOptions<typeof RequestParam>): ParameterDecorator;
    (target: {
        [x: string]: any;
    }, propertyKey: string, parameterIndex: number): any;
} & import("../annotation/type").LinkAnnotationType<typeof RequestParam> & typeof RequestParam;
export default _default;