import { type AtprotoAuthorizationServerMetadata } from '@atcute/oauth-types';
import { CachedGetter, type GetCachedOptions } from '../utils/cached-getter.ts';
import type { Store } from '../utils/store.ts';
/** authorization server metadata cache, keyed by issuer */
export type AuthorizationServerMetadataCache = Store<string, AtprotoAuthorizationServerMetadata>;
export interface AuthorizationServerMetadataResolverOptions {
    /** metadata cache, keyed by issuer */
    cache: AuthorizationServerMetadataCache;
    /** allow http:// loopback issuers (for development only) */
    allowHttp?: boolean;
    /** custom fetch implementation */
    fetch?: typeof globalThis.fetch;
}
/**
 * resolves OAuth authorization server metadata.
 *
 * @see {@link https://datatracker.ietf.org/doc/html/rfc8414}
 */
export declare class AuthorizationServerMetadataResolver extends CachedGetter<string, AtprotoAuthorizationServerMetadata> {
    private readonly allowHttp;
    private readonly fetch;
    constructor(options: AuthorizationServerMetadataResolverOptions);
    /**
     * resolves metadata for an authorization server.
     *
     * @param issuer authorization server issuer URL
     * @param options fetch options
     * @returns validated authorization server metadata
     */
    resolve(input: string, options?: GetCachedOptions): Promise<AtprotoAuthorizationServerMetadata>;
    private fetchMetadata;
}
//# sourceMappingURL=authorization-server-metadata.d.ts.map