import type { StreamInstance } from '../instance.js';
export interface AuthenticateInput {
    key: string;
    secret: string;
    passphrase: string;
}
export interface AuthenticateOutput {
    authenticated: boolean;
    permissions: string[];
}
export type Authenticate = (input: Readonly<AuthenticateInput>) => Promise<AuthenticateOutput>;
export declare const createAuthenticate: (instance: Readonly<StreamInstance>) => Authenticate;
//# sourceMappingURL=authenticate.d.ts.map