import { AbsSpeech } from 'scriptable-abstract';

interface SpeechState {
    lastSpokenText: string | null;
    lastLanguage: string | null;
    lastRate: number | null;
    lastPitch: number | null;
}
/**
 * Mock implementation of Scriptable's Speech global variable
 * Provides functionality for text-to-speech conversion
 *
 * @implements Speech
 */
declare class MockSpeech extends AbsSpeech<SpeechState> {
    static get instance(): MockSpeech;
    constructor();
    /**
     * @inheritdoc
     */
    speak(text: string, language?: string, rate?: number, pitch?: number): Promise<void>;
    /**
     * @additional
     * Get the last spoken text
     */
    getLastSpokenText(): string | null;
    /**
     * @additional
     * Get the last used language
     */
    getLastLanguage(): string | null;
    /**
     * @additional
     * Get the last used rate
     */
    getLastRate(): number | null;
    /**
     * @additional
     * Get the last used pitch
     */
    getLastPitch(): number | null;
    /**
     * @additional
     * Clear speech history
     */
    clear(): void;
}

export { MockSpeech };