import { HttpClient } from '@angular/common/http';
import { Injector } from '@angular/core';
export declare function observe(annotations: any): (...args: any[]) => void;
export declare function path(annotations: any): (...args: any[]) => void;
export declare function body(annotations: any): (...args: any[]) => void;
export declare function response(annotations: any): (...args: any[]) => void;
export declare function query(annotations: any): (...args: any[]) => void;
export declare function headers(annotations: any): (...args: any[]) => void;
export declare function produces(annotations: 'arraybuffer' | 'blob' | 'json' | 'text'): (...args: any[]) => void;
export declare enum RequestMethodParams {
    get = "Get",
    post = "Post",
    put = "Put",
    delete = "Delete",
    options = "Options",
    head = "Head",
    patch = "Patch"
}
export declare class HttpRestUtils {
    static http: HttpClient;
    static appInjector: Injector;
    static decorate(decoratorName: string, annotations: any, ...args: any[]): void;
    /**
     * Set up metadata
     * @param entityType
     * @param value Value of metadata
     * @param target Prototype of current object
     * @param metaName Decorator name
     * @param entityData Entity extra data
     */
    private static constructMetadata;
    static requestMethod(requestMethodName: RequestMethodParams): any;
    private static getRequest;
    private static ifUseMock;
    private static processIfUseMock;
    private static getDelay;
    private static getHttpClientObserve;
    private static produce;
    private static collectUrl;
    private static collectBodyContent;
    private static collectResponseIndex;
    private static collectQueryParams;
    private static collectHttpHeaders;
}