export declare class DataTransferUtils {
    private static isBrowserSupportExtendedClientBuffer;
    static getPlainTextItem(items: DataTransferItemList): DataTransferItem | null;
    static getRtfTextItem(items: DataTransferItemList): DataTransferItem | null;
    static getImageItem(items: DataTransferItemList): File | null;
    static getTransferItemByType(items: DataTransferItemList, type: string): DataTransferItem | null;
}
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