export interface TabState {
    tmuxSession: string;
    sshHost: string;
    lastSeen: string;
}
export interface PluginState {
    tabs: Record<string, TabState>;
}
export declare class StateManager {
    private statePath;
    private state;
    private writeTimer;
    private dirty;
    constructor();
    private load;
    /** Debounced write — batches rapid updates, flushes after 2s */
    private scheduleSave;
    /** Immediate write to disk */
    flush(): void;
    setTabSession(stateKey: string, sshHost: string, tmuxSession: string): void;
    getTabSession(stateKey: string): TabState | undefined;
    removeTab(stateKey: string): void;
    getAllTabs(): Record<string, TabState>;
}
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