import { type TmuxApi } from "./tmux.js";
export interface NudgeConfig {
    delayMs: number;
    maxCount: number;
    scanIntervalMs: number;
    message: string;
}
export declare const DEFAULT_NUDGE_CONFIG: NudgeConfig;
interface PaneNudgeState {
    revision: number;
    nudgeCount: number;
    firstIdleAt: number | null;
    lastNudgeAt: number | null;
    lastAttempt?: PersistedNudgeAttempt;
}
export type NudgeOutcome = "reserved" | "sent" | "failed" | "skipped";
export interface PersistedNudgeAttempt {
    attemptId: string;
    reservedAt: number;
    outcome: NudgeOutcome;
    completedAt?: number;
}
export interface PaneNudgeSnapshot extends PaneNudgeState {
    paneId: string;
}
export interface NudgeTrackerSnapshot {
    schemaVersion: 1;
    lastScanAt: number;
    panes: PaneNudgeSnapshot[];
}
export interface NudgeSummaryEntry {
    paneId: string;
    nudgeCount: number;
    lastNudgeAt: number | null;
}
export interface NudgeAttempt {
    paneId: string;
    attemptId: string;
    nudgeCount: number;
    at: number;
    outcome: Exclude<NudgeOutcome, "reserved">;
}
export interface NudgeCandidate {
    paneId: string;
    at: number;
}
export declare class NudgeTracker {
    private readonly config;
    private readonly states;
    private lastScanAt;
    constructor(config?: Partial<NudgeConfig>, snapshot?: NudgeTrackerSnapshot);
    observePanes(api: TmuxApi, panes: string[], leaderPaneId?: string, now?: number): NudgeCandidate[];
    reserveNudge(paneId: string, attemptId: string, now?: number): Omit<NudgeAttempt, "outcome"> | undefined;
    recordNudgeOutcome(paneId: string, attemptId: string, outcome: Exclude<NudgeOutcome, "reserved">, completedAt?: number): boolean;
    checkAndNudge(api: TmuxApi, sessionName: string, panes: string[], leaderPaneId?: string, now?: number): Promise<NudgeAttempt[]>;
    getSummary(): NudgeSummaryEntry[];
    snapshot(): NudgeTrackerSnapshot;
    reset(): void;
}
export {};