import React from 'react';
interface IGanttSortLabelOnChange {
    (dataKeyValues: IGanttSortLabelSortItem[]): void;
    (dataKey: string, sorted: 'asc' | 'desc' | undefined): void;
}
export interface IGanttSortLabelProps {
    dataKey: string;
    /** 是否启用本字段联合其它字段排序 @default  false  */
    unionSort?: boolean;
    onChange?: IGanttSortLabelOnChange;
}
export interface IGanttSortLabelSortItem extends Pick<IGanttSortLabelProps, 'dataKey'> {
    sorted: 'asc' | 'desc' | undefined;
}
interface IGanttSortLabelHookData {
    origin: Array<IGanttSortLabelSortItem>;
    data: string[];
    loading: boolean;
}
interface IUseGanttSortLabelConfigProps {
    projectId?: string;
}
export declare function useGanttSortLabel({ projectId }: IUseGanttSortLabelConfigProps): [IGanttSortLabelHookData, IGanttSortLabelProps['onChange']];
declare const GanttSortLabel: React.FC<IGanttSortLabelProps>;
export default GanttSortLabel;