import BaseMessage, { BaseInput, MessageTypes } from './Base';
/**
 * TextInput interface represents a structure for text-based input within a messaging context.
 * It extends from BaseInput to inherit common properties and enriches them with text-specific attributes.
 *
 * @Interface
 * @property {MessageTypes.TEXT} type - Specifies the type of message, constrained to text in this context.
 * @property {string} text - Contains the main body of the message, which is a textual content to be processed or displayed.
 * @property {boolean} [preview_url] - Optional property indicating whether URLs within the text should be previewed, enhancing the user experience by displaying a snippet or preview of the linked content.
 */
export interface TextInput extends BaseInput {
    type: MessageTypes.TEXT;
    text: string;
    preview_url?: boolean;
}
/**
 * Represents a text message with a body and a preview URL option.
 */
declare class Text {
    preview_url: boolean;
    body: string;
    /**
     * Constructs a new instance with the specified configuration.
     *
     * @param {TextInput} config - The configuration object for the text input.
     * @param {string|boolean} [config.preview_url] - Determines if a preview URL is provided; defaults to false if not specified.
     * @param {string} config.text - The text content to be processed, limited to 4096 characters.
     */
    constructor(config: TextInput);
}
/**
 * Represents a text message, extending the functionality provided by
 * the BaseMessage class. This class is designed to handle messages
 * specifically containing textual content.
 *
 * The TextMessage class constructs an instance with a given configuration
 * that includes text-specific properties encapsulated by the Text class.
 *
 * @extends BaseMessage
 */
export declare class TextMessage extends BaseMessage {
    text: Text;
    /**
     * Constructs a new instance of the class, initializing it with the provided configuration.
     *
     * @param {TextInput} config - The configuration object containing settings and initial values for text input.
     */
    constructor(config: TextInput);
}
export {};