/**
 * The two lines `doctor` exists for.
 *
 * They live here, apart from the CLI, because their exact wording is the whole
 * product of the command — a user reads them and decides what to go and fix —
 * and cli.ts runs `main()` on import, so it cannot be loaded from a test.
 */
export interface LinkState {
    /** The control link came up (whoever started it). */
    bridgeUp: boolean;
    /** It was already up before this check ran, rather than started by it. */
    wasAlreadyRunning: boolean;
    /** Aseprite's extension is attached to that bridge. */
    pluginUp: boolean;
    controlPort: number;
    extensionVersion?: string;
    asepriteVersion?: string;
    /** This package's version, to compare against the extension actually attached. */
    serverVersion?: string;
}
export declare function linkLines(state: LinkState): [bridge: string, extension: string];