import { type OAuthAuthorizationServerMetadata } from '@atproto/oauth-types';
import { type Fetch } from '@atproto-labs/fetch';
import { CachedGetter, type GetCachedOptions, type SimpleStore, type StoreErrorHandler } from '@atproto-labs/simple-store';
export type { GetCachedOptions, OAuthAuthorizationServerMetadata };
export type AuthorizationServerMetadataCache = SimpleStore<string, OAuthAuthorizationServerMetadata>;
export type OAuthAuthorizationServerMetadataResolverConfig = {
    allowHttpIssuer?: boolean;
    /**
     * Called when the metadata cache throws. The cache is best-effort: failures
     * are logged (by default) and degrade to a cache miss + refetch, rather than
     * being propagated.
     */
    onCacheError?: StoreErrorHandler<string>;
};
/**
 * @see {@link https://datatracker.ietf.org/doc/html/rfc8414}
 */
export declare class OAuthAuthorizationServerMetadataResolver extends CachedGetter<string, OAuthAuthorizationServerMetadata> {
    private readonly fetch;
    private readonly allowHttpIssuer;
    constructor(cache: AuthorizationServerMetadataCache, fetch?: Fetch, config?: OAuthAuthorizationServerMetadataResolverConfig);
    get(input: URL | string, options?: GetCachedOptions): Promise<OAuthAuthorizationServerMetadata>;
    private fetchMetadata;
}
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