/**
 * alert-gating.ts, the config + focus gate every unfocused-user alert class
 * (budget breach, long task, agent/chain failure, awaiting approval) is decided
 * by.
 *
 * Each alert class has its own on/off config key (default true); a single
 * master key, `behavior.notifyOnlyWhenUnfocused` (default true), decides
 * whether any of them additionally require the terminal to be
 * unfocused-or-unknown before firing.
 *
 * One implementation of "should this fire right now", so no alert class
 * re-derives the same two config reads and the same focus check and reaches a
 * different answer.
 */
import type { FocusTracker } from './focus-tracker.js';
/** Minimal config-read surface every gating check needs. */
export type ConfigGet = (key: string) => unknown;
/** Read a host-local synthetic boolean setting, defaulting when absent/invalid. */
export declare function readBooleanConfig(configGet: ConfigGet, key: string, defaultValue: boolean): boolean;
/** `behavior.notifyOnlyWhenUnfocused`, master gate, default on. */
export declare function readNotifyOnlyWhenUnfocused(configGet: ConfigGet): boolean;
/**
 * Decide whether a given alert class should fire right now.
 *
 * `classConfigKey` is the per-class on/off switch (e.g.
 * 'behavior.notifyOnBudgetBreach'); default true when absent. When that key
 * is off, the class never fires regardless of focus. When it's on, the
 * result additionally depends on the master `notifyOnlyWhenUnfocused` gate:
 * if that master gate is off, the class fires unconditionally (today's
 * pre-focus-tracking behavior); if on (the default), it only fires when the
 * terminal is unfocused or focus state was never observed (see
 * FocusTracker.shouldAlertWhenUnfocused).
 */
export declare function shouldFireAlert(focusTracker: Pick<FocusTracker, 'shouldAlertWhenUnfocused'>, configGet: ConfigGet, classConfigKey: string): boolean;
/**
 * notifyCompletion (platform/utils) only rings the bell above 5s of
 * "duration" and only pops a desktop notification above 30s, a heuristic
 * tuned for long-running-turn notifications. The alert classes gated here are
 * point-in-time events with no natural duration, so they pass this constant as
 * the `durationMs` argument to force both the bell and the desktop popup
 * unconditionally.
 */
export declare const FORCE_NOTIFY_DURATION_MS = 30001;
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