import { DecorationSpecification } from './decoration.js';
import { MessageSpecification } from './message.js';
import { StreamStyles } from './styles.js';
export declare type StreamSpecification = {
    kind: 'S';
    title: string | null;
    frame?: number;
    duration: number;
    messages: MessageSpecification[];
    styles?: StreamStyles | null;
    decorations?: DecorationSpecification[] | null;
};