import { VoiceName } from '../voice-name';
import { MessagesCommand } from '../svaml-commands/messages-command';
import { StopMessagesCommand } from '../svaml-commands/stop-messages-command';
import { CommandInput } from './command-input';
/**
 * Optional fields for a one-message `text`, `ssml`, or `play` shortcut.
 * `name` is written to `messagesName`.
 */
export interface MessagesShortcutOptions {
    /** Maps to `messagesName` on the messages command. */
    name?: string;
    /** Commands to run when playback finishes. One command, a list, or a sequence callback. */
    onFinish?: CommandInput;
}
/**
 * Builds a `messages` command.
 * `text` is plain text. Use `ssml` for SSML. `text`, `ssml`, and `play` stack message items.
 */
export declare class MessageCreator {
    private readonly messages;
    private nameValue;
    private onFinishCommands;
    /** Maps to `messagesName` on the messages command. */
    name(name: string): this;
    /** Adds a plain-text Say message. */
    text(text: string, voiceName: VoiceName): this;
    /** Adds a Say message with `format: 'SSML'`. */
    ssml(ssml: string, voiceName: VoiceName): this;
    play(url: string): this;
    onFinish(build: CommandInput): this;
    build(): MessagesCommand;
}
/**
 * Builds one messages command.
 * `text` is a plain-text shortcut. `ssml` is the SSML shortcut. `play` plays one file.
 * `start` stacks several messages. `stop` stops a named sequence.
 */
export declare const Messages: {
    /**
     * Plays one or more messages.
     * `name` is written to `messagesName`.
     */
    start(build: (creator: MessageCreator) => void): MessagesCommand;
    /**
     * Shortcut: one plain-text Say message.
     * `name` is written to `messagesName`.
     */
    text(text: string, voiceName: VoiceName, options?: MessagesShortcutOptions): MessagesCommand;
    /**
     * Shortcut: one Say message with `format: 'SSML'`.
     * `name` is written to `messagesName`.
     */
    ssml(ssml: string, voiceName: VoiceName, options?: MessagesShortcutOptions): MessagesCommand;
    /**
     * Shortcut: one play message.
     * `name` is written to `messagesName`.
     */
    play(url: string, options?: MessagesShortcutOptions): MessagesCommand;
    /** Stops a message sequence. `name` is written to `messagesName`. */
    stop(name: string): StopMessagesCommand;
};