import { TransferState } from '@angular/platform-browser';
import { Observable } from 'rxjs';
import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
import * as i0 from "@angular/core";
export declare class TransferHttpService {
    protected transferState: TransferState;
    private httpClient;
    private platformId;
    constructor(transferState: TransferState, httpClient: HttpClient, platformId: Object);
    request<T>(method: string, uri: string | Request, options?: {
        body?: any;
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        reportProgress?: boolean;
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `get` http method.
     */
    get<T>(url: string, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `post` http method.
     */
    post<T>(url: string, body: any, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `put` http method.
     */
    put<T>(url: string, _body: any, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'body';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `delete` http method.
     */
    delete<T>(url: string, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `patch` http method.
     */
    patch<T>(url: string, body: any, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `head` http method.
     */
    head<T>(url: string, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    /**
     * Performs a request with `options` http method.
     */
    options<T>(url: string, options?: {
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        observe?: 'response';
        params?: HttpParams | {
            [param: string]: string | string[];
        };
        reportProgress?: boolean;
        responseType?: 'json';
        withCredentials?: boolean;
    }): Observable<T>;
    private getData;
    private getPostData;
    private resolveData;
    private setCache;
    private getFromCache;
    static ɵfac: i0.ɵɵFactoryDeclaration<TransferHttpService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TransferHttpService>;
}