import type { ScreenName } from "./screens/screen.js";
export type EscOutcome = "closeHelp" | "overlay" | "popOverlay" | "screen" | "goOverview" | "goTraces" | "back" | "nothing";
export type EscState = {
    /** The terminal is under the minimum width, so nothing is drawn. */
    tooNarrow: boolean;
    helpOpen: boolean;
    overlayOpen: boolean;
    /** These two have a side effect: the overlay or screen undoes one thing
     *  and reports whether it had anything to undo. Each is called only on
     *  its own rung. */
    overlayEscaped: () => boolean;
    screenEscaped: () => boolean;
    activeScreen: ScreenName;
    embedded: boolean;
    tracePickerOpen: boolean;
    tracePickerAvailable: boolean;
};
export declare function escOutcome(state: EscState): EscOutcome;