import ComponentHook from '../../component_hook.js';
/**
 * Feature to support testing of Livewire components
 * Extends ComponentHook to intercept lifecycle events during testing
 */
export declare class SupportTesting extends ComponentHook {
    /**
     * Check if we're in a testing environment
     */
    static isTestEnvironment(): boolean;
    /**
     * Boot hook - only active in testing environment
     */
    boot(): Promise<void>;
    /**
     * Exception hook - handle exceptions during testing
     */
    exception(_error: any, _stopPropagation?: Function): Promise<void>;
}