import type { AuthenticationResult } from '@azure/msal-node';
import type { IAuthProvider } from './AuthProvider.interface.js';
/**
 * Implementation of an authentication provider that supplies a static, pre-obtained access token.
 *
 * This class implements {@link IAuthProvider} and is intended for scenarios where authentication
 * is handled externally and a token is provided directly (e.g., CI/CD pipelines, automation, or service accounts).
 *
 * Login and logout operations are not supported and will always throw errors if called.
 *
 * @see AuthProvider for silent authentication using cached accounts and MSAL flows.
 * @see AuthProviderInteractive for interactive, user-driven authentication flows.
 */
export declare class AuthTokenProvider implements IAuthProvider {
    #private;
    /**
     * @param token - The pre-obtained access token to serve for all token requests.
     */
    constructor(token: string);
    /**
     * Not supported in token-only mode. Always throws an error if called.
     *
     * This provider is designed for scenarios where authentication is handled externally
     * and a static token is supplied. Login flows are not possible in this context.
     *
     * @param _options - Unused; login is not supported in token-only mode.
     * @returns Never resolves; always throws.
     * @throws Error Always throws to indicate login is not supported.
     */
    login(_options: {
        request: {
            scopes: string[];
        };
    }): Promise<AuthenticationResult>;
    /**
     * Not supported in token-only mode. Always throws an error if called.
     *
     * Since this provider does not manage user sessions or accounts, logout is not applicable.
     *
     * @throws Error Always throws to indicate logout is not supported.
     */
    logout(): Promise<void>;
    /**
     * Returns the pre-obtained access token supplied to the provider.
     *
     * This is the only supported operation for this provider. No token refresh or acquisition logic is performed.
     *
     * @param _options - Options parameter (ignored in token-only mode)
     * @returns The static access token as a string.
     */
    acquireAccessToken(_options: {
        request: {
            scopes: string[];
        };
    }): Promise<string>;
}
export default AuthTokenProvider;