import { PropType, TransitionProps, VNodeChild } from 'vue';
import { GroupInfoType, GroupLabelRenderInfo, GroupLabelRender } from './interface';
export interface GroupTitleProps {
    prefixCls?: string;
    groupInfo: GroupInfoType;
    groupLabelRender?: GroupLabelRender;
    groupLabelRenderSlot?: (info: GroupLabelRenderInfo) => VNodeChild;
    classes?: any;
    enableCollapse?: boolean;
    expandedKeys?: string[];
    onItemExpand?: (curKey: string) => void;
    collapseTransition?: TransitionProps;
}
declare const GroupTitle: import('vue').DefineComponent<import('vue').ExtractPropTypes<{
    prefixCls: {
        type: StringConstructor;
        default: string;
    };
    groupInfo: {
        type: PropType<GroupInfoType>;
        required: true;
    };
    groupLabelRender: {
        type: PropType<GroupTitleProps["groupLabelRender"]>;
        default: undefined;
    };
    groupLabelRenderSlot: {
        type: PropType<GroupTitleProps["groupLabelRenderSlot"]>;
        default: undefined;
    };
    classes: {
        type: PropType<GroupTitleProps["classes"]>;
        default: undefined;
    };
    enableCollapse: {
        type: BooleanConstructor;
        default: boolean;
    };
    expandedKeys: {
        type: PropType<string[]>;
        default: () => never[];
    };
    onItemExpand: {
        type: PropType<GroupTitleProps["onItemExpand"]>;
        default: undefined;
    };
    collapseTransition: {
        type: PropType<TransitionProps>;
        default: undefined;
    };
}>, () => import("vue/jsx-runtime").JSX.Element, {}, {}, {}, import('vue').ComponentOptionsMixin, import('vue').ComponentOptionsMixin, {}, string, import('vue').PublicProps, Readonly<import('vue').ExtractPropTypes<{
    prefixCls: {
        type: StringConstructor;
        default: string;
    };
    groupInfo: {
        type: PropType<GroupInfoType>;
        required: true;
    };
    groupLabelRender: {
        type: PropType<GroupTitleProps["groupLabelRender"]>;
        default: undefined;
    };
    groupLabelRenderSlot: {
        type: PropType<GroupTitleProps["groupLabelRenderSlot"]>;
        default: undefined;
    };
    classes: {
        type: PropType<GroupTitleProps["classes"]>;
        default: undefined;
    };
    enableCollapse: {
        type: BooleanConstructor;
        default: boolean;
    };
    expandedKeys: {
        type: PropType<string[]>;
        default: () => never[];
    };
    onItemExpand: {
        type: PropType<GroupTitleProps["onItemExpand"]>;
        default: undefined;
    };
    collapseTransition: {
        type: PropType<TransitionProps>;
        default: undefined;
    };
}>> & Readonly<{}>, {
    prefixCls: string;
    classes: any;
    expandedKeys: string[];
    groupLabelRender: GroupLabelRender;
    groupLabelRenderSlot: ((info: GroupLabelRenderInfo) => VNodeChild) | undefined;
    onItemExpand: ((curKey: string) => void) | undefined;
    enableCollapse: boolean;
    collapseTransition: TransitionProps;
}, {}, {}, {}, string, import('vue').ComponentProvideOptions, true, {}, any>;
export default GroupTitle;
