/**
 * Runtime configuration for Speech Markdown conversion.
 */
export interface SpeechMarkdownRuntimeConfig {
    /**
     * Enable or disable the speechmarkdown-js powered converter.
     * When disabled, the lightweight fallback converter is used.
     */
    enabled?: boolean;
}
export declare function configureSpeechMarkdown(options?: SpeechMarkdownRuntimeConfig): void;
/**
 * SpeechMarkdownConverter class for converting Speech Markdown to SSML
 */
export declare class SpeechMarkdownConverter {
    private speechMarkdownInstance;
    private ensureInitialized;
    /**
     * Convert Speech Markdown to SSML
     *
     * @param markdown Speech Markdown text
     * @param platform Target platform (amazon-alexa, google-assistant, microsoft-azure, etc.)
     * @returns SSML text
     */
    toSSML(markdown: string, platform?: string): Promise<string>;
    /**
     * Check if text is Speech Markdown
     *
     * @param text Text to check
     * @returns True if the text contains Speech Markdown syntax
     */
    isSpeechMarkdown(text: string): boolean;
    /**
     * Get the available platforms supported by the Speech Markdown library
     *
     * @returns Array of platform names
     */
    getAvailablePlatforms(): string[];
}
/**
 * Convert Speech Markdown to SSML
 *
 * This function uses the speechmarkdown-js library to convert Speech Markdown syntax to SSML.
 * The library supports various Speech Markdown features including:
 * - Breaks: [500ms] or [break:"500ms"]
 * - Emphasis: ++emphasized++ or +emphasized+
 * - Rate, pitch, volume: (text)[rate:"slow"], (text)[pitch:"high"], (text)[volume:"loud"]
 * - And many more (see the speechmarkdown-js documentation)
 *
 * @param markdown Speech Markdown text
 * @param platform Target platform (amazon-alexa, google-assistant, microsoft-azure, etc.)
 * @returns SSML text
 */
export declare function toSSML(markdown: string, platform?: string): Promise<string>;
/**
 * Check if text is Speech Markdown
 *
 * This function checks if the text contains Speech Markdown syntax patterns.
 * It uses regular expressions to detect common Speech Markdown patterns such as:
 * - Breaks: [500ms] or [break:"500ms"]
 * - Emphasis: ++text++ or +text+
 * - Rate, pitch, volume: (text)[rate:"slow"], (text)[pitch:"high"], (text)[volume:"loud"]
 *
 * @param text Text to check
 * @returns True if the text contains Speech Markdown syntax
 */
export declare function isSpeechMarkdown(text: string): boolean;
/**
 * Get the available platforms supported by the Speech Markdown library
 *
 * This function returns the list of platforms supported by the speechmarkdown-js library.
 * These platforms have different SSML dialects, and the library will generate
 * SSML appropriate for the specified platform.
 *
 * @returns Array of platform names (amazon-alexa, google-assistant, microsoft-azure)
 */
export declare function getAvailablePlatforms(): string[];