import { StatusCode, CspDirective } from '@shopify/network';
import { EffectKind } from '@shopify/react-effect';
export { NetworkContext } from './context';
export declare const EFFECT_ID: unique symbol;
interface Options {
    headers?: Record<string, string>;
}
export declare class NetworkManager {
    readonly effect: EffectKind;
    private statusCodes;
    private redirectUrl?;
    private readonly csp;
    private readonly headers;
    private readonly requestHeaders;
    constructor({ headers }?: Options);
    reset(): void;
    getHeader(header: string): string;
    setHeader(header: string, value: string): void;
    redirectTo(url: string, status?: StatusCode): void;
    addStatusCode(statusCode: StatusCode): void;
    addCspDirective(directive: CspDirective, value: string | string[] | boolean): void;
    extract(): {
        status: number | undefined;
        headers: Map<string, string>;
        redirectUrl: string | undefined;
    };
}