import type { ScreenName } from "../screens/screen.js";
export type Focus = {
    traceId: string;
    screen: ScreenName;
    /** Undefined on the trace picker, or on a row with no address. */
    rowId: string | undefined;
};
export type NavigateResult = "ok" | "no such trace" | "no such row" | "row hidden by filter";
export type SessionPort = {
    focus(): Focus;
    navigate(traceId: string, rowId: string | undefined): NavigateResult;
    /** Re-read the comments file and redraw; the CLI sends this after a write. */
    reloadComments(): void;
    /** Open the list of traces, so the person can choose one. */
    pick(): void;
    notify(message: string): void;
};