/**
 * OpenID Providers have metadata describing their configuration.
 *
 * @public
 */
export type OidcMetadata = {
    /**
     * REQUIRED. URL using the `https` scheme with no query or fragment component that the OP asserts as its Issuer
     * Identifier. If Issuer discovery is supported
     * (see [Section 2](https://openid.net/specs/openid-connect-discovery-1_0.html#IssuerDiscovery)),
     * this value MUST be identical to the issuer value
     * returned by WebFinger. This also MUST be identical to the `iss` Claim value in ID Tokens issued from this Issuer.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    issuer: string;
    /**
     * REQUIRED. URL of the OP's OAuth 2.0 Authorization Endpoint
     * [[OpenID.Core](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)].
     * This URL MUST use the `https` scheme and MAY contain port, path, and query parameter components.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    authorization_endpoint: string;
    /**
     * URL of the OP's OAuth 2.0 Token Endpoint
     * [[OpenID.Core](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)].
     * This is REQUIRED unless only the Implicit Flow is used. This URL MUST use the `https` scheme and MAY contain
     * port, path, and query parameter components.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    token_endpoint: string;
    /**
     * OPTIONAL. JSON array containing a list of Client Authentication methods supported by this Token Endpoint.
     * The options are `client_secret_post`, `client_secret_basic`, `client_secret_jwt`, and `private_key_jwt`, as
     * described in Section 9 of
     * [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)
     * [OpenID.Core]. Other authentication methods MAY be defined by extensions. If omitted, the default is
     * `client_secret_basic` -- the HTTP Basic Authentication Scheme specified in Section 2.3.1 of
     * [OAuth 2.0](https://openid.net/specs/openid-connect-discovery-1_0.html#RFC6749) [RFC6749].
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    token_endpoint_auth_methods_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the JWS signing algorithms (`alg` values) supported by the
     * Token Endpoint for the signature on the JWT
     * [[JWT](https://openid.net/specs/openid-connect-discovery-1_0.html#JWT)]
     * used to authenticate the Client at the Token Endpoint for the `private_key_jwt` and `client_secret_jwt`
     * authentication methods. Servers SHOULD support RS256. The value none MUST NOT be used.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    token_endpoint_auth_signing_alg_values_supported: string[];
    /**
     * RECOMMENDED. URL of the OP's UserInfo Endpoint
     * [[OpenID.Core](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)].
     * This URL MUST use the https scheme and MAY contain port, path, and query parameter components.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    userinfo_endpoint: string;
    /**
     * REQUIRED. URL of an OP iframe that supports cross-origin communications for session state information with the
     * RP Client, using the HTML5 postMessage API. This URL MUST use the `https` scheme and MAY contain port, path, and
     * query parameter components. The page is loaded from an invisible iframe embedded in an RP page so that it can run
     * in the OP's security context. It accepts postMessage requests from the relevant RP iframe and uses postMessage to
     * post back the login status of the End-User at the OP.
     *
     * @see https://openid.net/specs/openid-connect-session-1_0.html#OPMetadata
     */
    check_session_iframe: string;
    /**
     * REQUIRED. URL at the OP to which an RP can perform a redirect to request that the End-User be logged out at the OP.
     *
     * @see https://openid.net/specs/openid-connect-session-1_0-17.html#OPMetadata
     */
    end_session_endpoint: string;
    /**
     * REQUIRED. URL of the OP's JWK Set
     * [[JWK](https://openid.net/specs/openid-connect-discovery-1_0.html#JWK)]
     * document, which MUST use the `https` scheme. This contains the signing key(s) the RP uses to validate signatures from
     * the OP. The JWK Set MAY also contain the Server's encryption key(s), which are used by RPs to encrypt requests to the Server.
     * When both signing and encryption keys are made available, a `use` (public key use) parameter value is REQUIRED for all keys
     * in the referenced JWK Set to indicate each key's intended usage. Although some algorithms allow the same key to be used for
     * both signatures and encryption, doing so is NOT RECOMMENDED, as it is less secure. The JWK `x5c` parameter MAY be used to provide
     * X.509 representations of keys provided. When used, the bare key values MUST still be present and MUST match those in the
     * certificate. The JWK Set MUST NOT contain private or symmetric key values.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    jwks_uri: string;
    /**
     * RECOMMENDED. URL of the OP's Dynamic Client Registration Endpoint
     * [[OpenID.Registration](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Registration)],
     * which MUST use the `https` scheme.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    registration_endpoint: string;
    /**
     * RECOMMENDED. JSON array containing a list of the
     * [OAuth 2.0](https://openid.net/specs/openid-connect-discovery-1_0.html#RFC6749)
     * [RFC6749] scope values that this server supports. The server MUST support the openid scope value. Servers MAY choose not
     * to advertise some supported scope values even when this parameter is used, although those defined in
     * [[OpenID.Core](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)]
     * SHOULD be listed, if supported.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    scopes_supported: string[];
    /**
     * REQUIRED. JSON array containing a list of the OAuth 2.0 `response_type` values that this OP supports. Dynamic OpenID
     * Providers MUST support the `code`, `id_token`, and the `id_token token` Response Type values.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    response_types_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the Authentication Context Class References that this OP supports.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    acr_values_supported: string[];
    /**
     * REQUIRED. JSON array containing a list of the Subject Identifier types that this OP supports. Valid types include `pairwise`
     * and `public`.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    subject_types_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the JWS signing algorithms (`alg` values) supported by the OP for Request Objects,
     * which are described in Section 6.1 of
     * [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)
     * [OpenID.Core]. These algorithms are used both when the Request Object is passed by value (using the `request` parameter) and
     * when it is passed by reference (using the `request_uri` parameter). Servers SHOULD support `none` and `RS256`.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    request_object_signing_alg_values_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the `display` parameter values that the OpenID Provider supports. These values are
     * described in Section 3.1.2.1 of
     * [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)
     * [OpenID.Core].
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    display_values_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the Claim Types that the OpenID Provider supports. These Claim Types are described
     * in Section 5.6 of
     * [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-discovery-1_0.html#OpenID.Core)
     * [OpenID.Core]. Values defined by this specification are `normal`, `aggregated`, and `distributed`. If omitted, the
     * implementation supports only normal Claims.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    claim_types_supported: string[];
    /**
     * RECOMMENDED. JSON array containing a list of the Claim Names of the Claims that the OpenID Provider MAY be able to supply
     * values for. Note that for privacy or other reasons, this might not be an exhaustive list.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    claims_supported: string[];
    /**
     * OPTIONAL. Boolean value specifying whether the OP supports use of the `claims` parameter, with `true` indicating support. If
     * omitted, the default value is `false`.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    claims_parameter_supported: boolean;
    /**
     * OPTIONAL. URL of a page containing human-readable information that developers might want or need to know when using the
     * OpenID Provider. In particular, if the OpenID Provider does not support Dynamic Client Registration, then information on
     * how to register Clients needs to be provided in this documentation.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    service_documentation: string;
    /**
     * OPTIONAL. Languages and scripts supported for the user interface, represented as a JSON array of
     * [BCP47](https://openid.net/specs/openid-connect-discovery-1_0.html#RFC5646)
     * [RFC5646] language tag values.
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    ui_locales_supported: string[];
    /**
     * The fully qualified URL of the server's revocation endpoint defined by
     * [OAuth 2.0 Token Revocation](https://openid.net/specs/openid-heart-oauth2-2015-12-07.html#RFC7009)
     * [RFC7009].
     *
     * @see https://openid.net/specs/openid-heart-oauth2-2015-12-07.html#rfc.section.4.1
     */
    revocation_endpoint: string;
    /**
     * The fully qualified URL of the server's introspection endpoint defined by
     * [OAuth Token Introspection](https://openid.net/specs/openid-heart-oauth2-2015-12-07.html#RFC7662)
     * [RFC7662].
     *
     * @see https://openid.net/specs/openid-heart-oauth2-2015-12-07.html#rfc.section.4.1
     */
    introspection_endpoint: string;
    /**
     * OPTIONAL. Boolean value specifying whether the OP supports HTTP-based logout, with `true` indicating support. If omitted,
     * the default value is `false`.
     *
     * @see https://openid.net/specs/openid-connect-frontchannel-1_0.html#OPLogout
     */
    frontchannel_logout_supported: boolean;
    /**
     * OPTIONAL. Boolean value specifying whether the OP can pass iss (issuer) and `sid` (session ID) query parameters to identify
     * the RP session with the OP when the `frontchannel_logout_uri` is used. If supported, the `sid` Claim is also included in
     * ID Tokens issued by the OP. If omitted, the default value is `false`.
     *
     * @see https://openid.net/specs/openid-connect-frontchannel-1_0.html#OPLogout
     */
    frontchannel_logout_session_supported: boolean;
    /**
     * OPTIONAL. Boolean value specifying whether the OP supports back-channel logout, with `true` indicating support. If omitted,
     * the default value is `false`.
     *
     * @see https://openid.net/specs/openid-connect-backchannel-1_0.html#BCSupport
     */
    backchannel_logout_supported: boolean;
    /**
     * OPTIONAL. Boolean value specifying whether the OP can pass a `sid` (session ID) Claim in the Logout Token to identify the
     * RP session with the OP. If supported, the `sid` Claim is also included in ID Tokens issued by the OP. If omitted, the default
     * value is `false`.
     *
     * @see https://openid.net/specs/openid-connect-backchannel-1_0.html#BCSupport
     */
    backchannel_logout_session_supported: boolean;
    /**
     * OPTIONAL. JSON array containing a list of the OAuth 2.0 Grant Type values that this OP supports. Dynamic OpenID Providers
     * MUST support the `authorization_code` and `implicit` Grant Type values and MAY support other Grant Types. If omitted, the
     * default value is [`"authorization_code"`, `"implicit"`].
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    grant_types_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of the OAuth 2.0 response_mode values that this OP supports, as specified in
     * [OAuth 2.0 Multiple Response Type Encoding Practices](https://openid.net/specs/openid-connect-discovery-1_0.html#OAuth.Responses)
     * [OAuth.Responses]. If omitted, the default for Dynamic OpenID Providers is [`"query"`, `"fragment"`].
     *
     * @see https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
     */
    response_modes_supported: string[];
    /**
     * OPTIONAL. JSON array containing a list of
     * [Proof Key for Code Exchange (PKCE)](https://datatracker.ietf.org/doc/html/rfc7636)
     * [RFC7636] code challenge methods supported by this authorization server.  Code challenge method values are used in
     * the "code_challenge_method" parameter defined in Section 4.3 of [RFC7636]. The valid code challenge method values are
     * those registered in the
     * [IANA "PKCE Code Challenge Methods" registry](https://datatracker.ietf.org/doc/html/rfc8414#ref-IANA.OAuth.Parameters)
     * [IANA.OAuth.Parameters]. If omitted, the authorization server does not support PKCE.
     *
     * @see https://datatracker.ietf.org/doc/html/rfc8414
     */
    code_challenge_methods_supported: string[];
    dpop_signing_alg_values_supported: string[];
};
export declare const WELL_KNOWN_PATH = "/.well-known/openid-configuration";
export declare function fetchOidcMetadata(params: {
    issuerUri: string;
}): Promise<Partial<OidcMetadata> | undefined>;