import type { HybridObject } from 'react-native-nitro-modules';
export declare enum FiredTimerType {
    Timeout = 0,
    Interval = 1
}
export interface FiredTimerEvent {
    id: number;
    type: FiredTimerType;
    sequence: number;
}
export interface NitroBackgroundTimer extends HybridObject<{
    ios: 'swift';
    android: 'kotlin';
}> {
    setTimeout(id: number, duration: number): void;
    clearTimeout(id: number): void;
    setInterval(id: number, interval: number): void;
    clearInterval(id: number): void;
    drainFiredTimers(): FiredTimerEvent[];
    /**
     * Request this owner's explicit Android foreground-service hold. Starts
     * are subject to OS restrictions; timing and promotion are not guaranteed.
     * Repeated pending/active requests add no holds. A later request can retry
     * a recoverable refusal. iOS: no-op; does not extend the background budget.
     */
    startBackgroundMode(): void;
    /**
     * Release explicit background mode. If timers are still active and the
     * implicit fallback is in effect, the foreground service remains alive
     * until the last timer completes. iOS: no-op.
     */
    stopBackgroundMode(): void;
    /**
     * Configure the foreground service notification. Accepts a JSON-
     * serialized `BackgroundTimerConfig`. This owner must have no explicit
     * hold or uncleared accepted/pending/active timers; throws otherwise.
     * Other owners may remain active. iOS: no-op.
     */
    configure(configJson: string): void;
    /**
     * Disable the automatic Android foreground service fallback for the
     * lifetime of the process. The first successful call must precede any
     * timer acceptance or explicit request across all owners, including
     * already-finished timers. A late first call throws on Android
     * (`IllegalStateException` → JS `Error`). After successful opt-out,
     * repeated calls are no-ops. Only a fresh process can enable FGS again.
     * iOS: no-op. Android ignores calls on disposed owners.
     */
    disableForegroundService(): void;
}
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