export interface FetchAgentOptions {
    ignoreCertificateErrors: boolean;
    ca?: string;
    cert?: string;
    certKey?: string;
}
export type FetchHeaders = {
    [key: string]: string;
};
export interface LsFetch {
    initialize(): Promise<void>;
    destroy(): Promise<void>;
    fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    fetchBase(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    delete(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    get(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    post(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    put(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    updateAgentOptions(options: FetchAgentOptions): void;
    streamFetch(url: string, body: string, headers: FetchHeaders): AsyncGenerator<string, void, void>;
}
export declare const LsFetch: import("@gitlab-org/di").InterfaceId<LsFetch>;
export declare class FetchBase implements LsFetch {
    updateRequestInit(method: string, init?: RequestInit): RequestInit;
    initialize(): Promise<void>;
    destroy(): Promise<void>;
    fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    streamFetch(_url: string, _body: string, _headers: FetchHeaders): AsyncGenerator<string, void, void>;
    delete(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    get(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    post(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    put(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    fetchBase(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
    updateAgentOptions(_opts: FetchAgentOptions): void;
}