import { BarrierDecorationStyles, RangeDecorationStyles } from './styles.js';
export declare type BarrierDecorationSpecification = {
    kind: 'barrier';
    frame: number;
    styles?: BarrierDecorationStyles;
};
export declare type RangeDecorationSpecification = {
    kind: 'range';
    frame: number;
    duration: number;
    styles?: RangeDecorationStyles;
};
export declare type DecorationSpecification = BarrierDecorationSpecification | RangeDecorationSpecification;