import * as native from './native';
import { SynXLib } from './native';
export declare type Session = {
    context: native.Pointer;
    user: number;
    token: string;
};
export declare type LaunchOptions = {
    library: SynXLib;
    session: Session;
    automaticDispose: boolean;
};
export declare type Launcher = {
    library: SynXLib;
    ready: boolean;
    session: Session;
};
/**
 * Creates and sets up the Synapse X launcher, which is the final step required before the user
 * can launch a node. This must be done after the user has authenticated, but before the node
 * server is launched. **Do not forget to invoke `launcherDispose` when the software exits!**
 * If you want synapsekit to handle disposing for you, pass the `automaticDispose` option.
 */
export declare function launcher(options: LaunchOptions): Promise<Launcher>;
/**
 * Disposes the Synapse X launcher, releasing all resources used by it. This should be called
 * when the software exits, or when the launcher is no longer needed.
 * @param launcher The launcher instance to dispose.
 * @returns A promise that resolves when the launcher has been disposed.
 * @throws If the launcher is not ready.
 * @throws If the launcher could not be disposed.
*/
export declare function launcherDispose(launcher: Launcher): Promise<void>;
/**
 * Updates the Synapse X installation. If `callback` is passed, then it will be invoked with update progress information,
 * such as the size of the content being downloaded, or how many files are left to download. Function completes when the
 * updating process has finished. If no update is available, this function will end almost instantly.
 */
export declare function launcherUpdate(launcher: Launcher, callback?: (progress: number, total: number) => void): Promise<void>;