import type { TorchError } from './types';
/**
 * Hook configuration type - allows passing callbacks
 */
interface UseTorchOptions {
    /**
     * Called when the torch state changes (true = on, false = off)
     * Callback is called only when the value actually changes, not on every on()/off() call
     */
    onStateChanged?: (state: boolean) => void;
    /**
     * Called when an error occurs (e.g. missing permissions, no flash, etc.)
     */
    onError?: (error: TorchError) => void;
    /**
     * Called when the torch level changes
     * Callback is called only when the value actually changes, not on every setLevel() call
     */
    onLevelChanged?: (level: number | null) => void;
}
/**
 * React hook for controlling the native torch through Nitro Module.
 *
 * @example
 * const { isOn, on, off } = useTorch({
 *   onTorchStateChanged: (state) => console.log('Torch:', state),
 *   onError: (error) => console.error('Torch error:', error)
 * })
 */
export declare function useTorch(options?: UseTorchOptions): {
    on: () => Promise<void>;
    off: () => Promise<void>;
    toggle: () => Promise<void>;
    setLevel: (level: number) => Promise<void>;
    getMaxLevel: (dynamic?: boolean) => number | null;
};
export {};