/**
 * Capacitor Flash Plugin for controlling device flashlight/torch.
 *
 * @since 1.0.0
 */
export interface CapacitorFlashPlugin {
    /**
     * Checks if flashlight is available on the device.
     *
     * @returns Promise that resolves with availability status
     * @throws Error if checking availability fails
     * @since 1.0.0
     * @example
     * ```typescript
     * const { value } = await CapacitorFlash.isAvailable();
     * if (value) {
     *   console.log('Flashlight is available');
     * }
     * ```
     */
    isAvailable(): Promise<{
        value: boolean;
    }>;
    /**
     * Turns the flashlight on.
     *
     * @param options - Optional configuration including light intensity
     * @returns Promise that resolves when flashlight is turned on
     * @throws Error if flashlight is not available or turning on fails
     * @since 1.0.0
     * @example
     * ```typescript
     * // Turn on at full brightness
     * await CapacitorFlash.switchOn({ intensity: 1.0 });
     *
     * // Turn on at half brightness
     * await CapacitorFlash.switchOn({ intensity: 0.5 });
     * ```
     */
    switchOn(options: {
        intensity?: number;
    }): Promise<void>;
    /**
     * Turns the flashlight off.
     *
     * @returns Promise that resolves when flashlight is turned off
     * @throws Error if turning off fails
     * @since 1.0.0
     * @example
     * ```typescript
     * await CapacitorFlash.switchOff();
     * ```
     */
    switchOff(): Promise<void>;
    /**
     * Checks if the flashlight is currently turned on or off.
     *
     * @returns Promise that resolves with the current flashlight state
     * @throws Error if checking state fails
     * @since 1.0.0
     * @example
     * ```typescript
     * const { value } = await CapacitorFlash.isSwitchedOn();
     * console.log('Flashlight is on:', value);
     * ```
     */
    isSwitchedOn(): Promise<{
        value: boolean;
    }>;
    /**
     * Toggle the flashlight on or off.
     *
     * @returns Promise that resolves with the new flashlight state
     * @throws Error if toggling fails
     * @since 1.0.0
     * @example
     * ```typescript
     * const { value } = await CapacitorFlash.toggle();
     * console.log('Flashlight toggled, now on:', value);
     * ```
     */
    toggle(): Promise<{
        value: boolean;
    }>;
    /**
     * Get the native Capacitor plugin version.
     *
     * @returns Promise that resolves with the plugin version
     * @throws Error if getting the version fails
     * @since 1.0.0
     * @example
     * ```typescript
     * const { version } = await CapacitorFlash.getPluginVersion();
     * console.log('Plugin version:', version);
     * ```
     */
    getPluginVersion(): Promise<{
        version: string;
    }>;
}