import { AuthServerMetadata } from "../types";
import { Context } from "../plugin";
import * as Domain from "../../../../domain";
import * as Utils from "../../../../utils";
interface Args {
    serverUri: string | URL;
    algorithm?: string;
}
/**
 * try to retrieve Authorization Server Metadata from the give URI
 * `/.well-known/openid-configuration` will be appended to the URI
 *
 * @param uri
 * @returns {Promise<AuthServerMetadata>}
 */
export declare class FetchAuthServerMeta extends Utils.Task<Domain.ApiResponse<AuthServerMetadata>, Args> {
    run(ctx: Context): Promise<Domain.ApiResponse<{
        signed_metadata?: string | undefined;
        authorization_endpoint?: string | undefined;
        token_endpoint?: string | undefined;
        jwks_uri?: string | undefined;
        registration_endpoint?: string | undefined;
        scopes_supported?: string[] | undefined;
        response_types_supported?: string[] | undefined;
        response_modes_supported?: string[] | undefined;
        grant_types_supported?: string[] | undefined;
        token_endpoint_auth_methods_supported?: string[] | undefined;
        token_endpoint_auth_signing_alg_values_supported?: string[] | undefined;
        service_documentation?: string | undefined;
        ui_locales_supported?: string[] | undefined;
        op_policy_uri?: string | undefined;
        op_tos_uri?: string | undefined;
        revocation_endpoint?: string | undefined;
        revocation_endpoint_auth_methods_supported?: string[] | undefined;
        revocation_endpoint_auth_signing_alg_values_supported?: string[] | undefined;
        introspection_endpoint?: string | undefined;
        introspection_endpoint_auth_methods_supported?: string[] | undefined;
        introspection_endpoint_auth_signing_alg_values_supported?: string[] | undefined;
        code_challenge_methods_supported?: string[] | undefined;
        device_authorization_endpoint?: string | undefined;
        tls_client_certificate_bound_access_tokens?: boolean | undefined;
        mtls_endpoint_aliases?: {} | undefined;
        userinfo_endpoint?: string | undefined;
        acr_values_supported?: string[] | undefined;
        subject_types_supported?: string[] | undefined;
        id_token_signing_alg_values_supported?: string[] | undefined;
        id_token_encryption_alg_values_supported?: string[] | undefined;
        id_token_encryption_enc_values_supported?: string[] | undefined;
        userinfo_signing_alg_values_supported?: string[] | undefined;
        userinfo_encryption_alg_values_supported?: string[] | undefined;
        userinfo_encryption_enc_values_supported?: string[] | undefined;
        request_object_signing_alg_values_supported?: string[] | undefined;
        request_object_encryption_alg_values_supported?: string[] | undefined;
        request_object_encryption_enc_values_supported?: string[] | undefined;
        display_values_supported?: string[] | undefined;
        claim_types_supported?: string[] | undefined;
        claims_supported?: string[] | undefined;
        claims_locales_supported?: string[] | undefined;
        claims_parameter_supported?: boolean | undefined;
        request_parameter_supported?: boolean | undefined;
        request_uri_parameter_supported?: boolean | undefined;
        require_request_uri_registration?: boolean | undefined;
        require_signed_request_object?: boolean | undefined;
        pushed_authorization_request_endpoint?: string | undefined;
        require_pushed_authorization_requests?: boolean | undefined;
        introspection_signing_alg_values_supported?: string[] | undefined;
        introspection_encryption_alg_values_supported?: string[] | undefined;
        introspection_encryption_enc_values_supported?: string[] | undefined;
        authorization_response_iss_parameter_supported?: boolean | undefined;
        authorization_signing_alg_values_supported?: string[] | undefined;
        authorization_encryption_alg_values_supported?: string[] | undefined;
        authorization_encryption_enc_values_supported?: string[] | undefined;
        backchannel_authentication_endpoint?: string | undefined;
        backchannel_authentication_request_signing_alg_values_supported?: string[] | undefined;
        backchannel_token_delivery_modes_supported?: string[] | undefined;
        backchannel_user_code_parameter_supported?: boolean | undefined;
        check_session_iframe?: string | undefined;
        dpop_signing_alg_values_supported?: string[] | undefined;
        end_session_endpoint?: string | undefined;
        frontchannel_logout_session_supported?: boolean | undefined;
        frontchannel_logout_supported?: boolean | undefined;
        backchannel_logout_session_supported?: boolean | undefined;
        backchannel_logout_supported?: boolean | undefined;
        issuer: string;
    }>>;
    private validate;
}
export {};