import { type HybridObject } from 'react-native-nitro-modules';
/**
 * Main HybridTorch interface (asynchronous)
 */
export interface Torch extends HybridObject<{
    ios: 'swift';
    android: 'kotlin';
}> {
    /**
     * Turns on the flashlight.
     * @throws TorchException if the operation fails
     */
    on(): Promise<void>;
    /**
     * Turns off the flashlight.
     * @throws TorchException if the operation fails
     */
    off(): Promise<void>;
    /**
     * Toggles the flashlight.
     * @throws TorchException if the operation fails
     */
    toggle(): Promise<void>;
    /**
     * Callback function that is called when the torch state changes.
     * @param isOn true if the torch is on, false otherwise
     */
    onStateChanged?: (state: boolean) => void;
    /**
     * Callback function that is called when the torch level changes.
     * @param level the level of the torch
     */
    onLevelChanged?: (level: number | null) => void;
    /**
     * Sets the level of the torch.
     * @param level the level of the torch
     * @throws TorchException if the operation fails
     */
    setLevel(level: number): Promise<void>;
    /**
     * Gets the maximum level of the torch.
     * @param dynamic If true (iOS only), returns the current available level which may be lower under thermal stress. If false or not provided, returns the hardware maximum (10 on iOS).
     * @returns the maximum level of the torch
     */
    getMaxLevel(dynamic?: boolean): number | null;
}