import type { KnownAuthProvider } from "./signer";
export type AuthProviderCustomization = {
    scope: string;
    claims?: string;
    otherParameters?: Record<string, string>;
};
/**
 * Returns the default customization parameters when using a known auth provider
 *
 * @param {string} knownAuthProviderId id of a known auth provider, e.g. "google"
 * @returns {AuthProviderCustomization | undefined} default customization parameters
 */
export declare function getDefaultProviderCustomization(knownAuthProviderId: KnownAuthProvider): AuthProviderCustomization | undefined;
/**
 * "openid" is a required scope in the OIDC protocol. Insert it if the user
 * forgot.
 *
 * @param {string} scope scope param which may be missing "openid"
 * @returns {string} scope which most definitely contains "openid"
 */
export declare function addOpenIdIfAbsent(scope: string): string;
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