import type { HttpBackend } from './backend';
import { HttpFeatureKind } from './feature';
import { HttpInterceptorFn } from './interceptor';
interface HttpConfig {
    /** The default HTTP backend handler */
    backend: HttpBackend;
    interceptorFns: HttpInterceptorFn[];
}
type HttpSetupFeature = {
    kind: HttpFeatureKind.Backend;
    value: HttpBackend;
} | {
    kind: HttpFeatureKind.XsrfProtection;
    value: HttpInterceptorFn;
};
export declare const config: HttpConfig;
export declare function setupHttpClient(...features: HttpSetupFeature[]): void;
export {};