import { ChannelData, KeyframeData } from './KeyframeCommon';
export declare function createKeyframeData(): KeyframeData;
export declare function channelDataFromString(content: string, target: ChannelData[]): void;
export declare function channelDataToString(data: ChannelData[]): string;
export declare function copyKeyframeData(src: KeyframeData, target: KeyframeData): void;
export declare function copyChannelData(src: ChannelData, target: ChannelData): void;