import type { CheckStrategy, TreeNode } from 'treemate';
import type { HTMLAttributes, Ref, VNodeChild } from 'vue';
import type { VirtualListScrollTo } from 'vueuc';
import type { MergedTheme } from '../../_mixins';
import type { TreeTheme } from '../styles';
export type Key = string | number;
export type OnLoad = (node: TreeOption) => Promise<unknown>;
export interface TreeOptionBase {
    key?: Key;
    label?: string;
    checkboxDisabled?: boolean;
    disabled?: boolean;
    isLeaf?: boolean;
    children?: TreeOption[];
    prefix?: () => VNodeChild;
    suffix?: () => VNodeChild;
}
export type TreeOption = TreeOptionBase & Record<string, unknown>;
export type TreeOptions = TreeOption[];
export interface TreeRenderProps {
    option: TreeOption;
    checked: boolean;
    selected: boolean;
}
type RenderTreePart = ({ option, checked, selected }: TreeRenderProps) => VNodeChild;
export type RenderLabel = RenderTreePart;
export type RenderPrefix = RenderTreePart;
export type RenderSuffix = RenderTreePart;
export type TreeOverrideNodeClickBehaviorReturn = 'toggleSelect' | 'toggleExpand' | 'toggleCheck' | 'default' | 'none';
export type TreeOverrideNodeClickBehavior = (info: {
    option: TreeOption;
}) => TreeOverrideNodeClickBehaviorReturn;
export type TreeNodeProps = (info: {
    option: TreeOption;
}) => HTMLAttributes & Record<string, unknown>;
export interface TreeDragInfo {
    event: DragEvent;
    node: TreeOption;
}
export interface TreeDropInfo {
    event: DragEvent;
    node: TreeOption;
    dragNode: TreeOption;
    dropPosition: 'before' | 'inside' | 'after';
}
export interface InternalDragInfo {
    event: DragEvent;
    node: TmNode;
}
export type DropPosition = 'before' | 'inside' | 'after';
export type AllowDrop = (info: {
    dropPosition: DropPosition;
    node: TreeOption;
    phase: 'drag' | 'drop';
}) => boolean;
export interface InternalDropInfo {
    event: DragEvent;
    node: TmNode;
    dropPosition: DropPosition;
}
export type RenderSwitcherIcon = (props: {
    expanded: boolean;
    selected: boolean;
    option: TreeOption;
}) => VNodeChild;
export type CheckOnClick = (option: TreeOption) => boolean;
export interface TreeInjection {
    loadingKeysRef: Ref<Set<Key>>;
    highlightKeySetRef: Ref<Set<Key> | null>;
    displayedCheckedKeysRef: Ref<Key[]>;
    displayedIndeterminateKeysRef: Ref<Key[]>;
    mergedSelectedKeysRef: Ref<Key[]>;
    mergedExpandedKeysRef: Ref<Key[]>;
    fNodesRef: Ref<Array<TreeNode<TreeOption>>>;
    draggableRef: Ref<boolean>;
    mergedThemeRef: Ref<MergedTheme<TreeTheme>>;
    onLoadRef: Ref<OnLoad | undefined>;
    blockLineRef: Ref<boolean>;
    indentRef: Ref<number>;
    draggingNodeRef: Ref<TmNode | null>;
    droppingMouseNodeRef: Ref<TmNode | null>;
    droppingNodeParentRef: Ref<TmNode | null>;
    droppingPositionRef: Ref<null | DropPosition>;
    droppingOffsetLevelRef: Ref<number>;
    disabledRef: Ref<boolean>;
    checkableRef: Ref<boolean>;
    cascadeRef: Ref<boolean>;
    mergedCheckStrategyRef: Ref<CheckStrategy>;
    selectableRef: Ref<boolean>;
    expandOnClickRef: Ref<boolean>;
    pendingNodeKeyRef: Ref<null | Key>;
    internalScrollableRef: Ref<boolean>;
    internalCheckboxFocusableRef: Ref<boolean>;
    renderLabelRef: Ref<RenderLabel | undefined>;
    renderPrefixRef: Ref<RenderPrefix | undefined>;
    renderSuffixRef: Ref<RenderSuffix | undefined>;
    renderSwitcherIconRef: Ref<RenderSwitcherIcon | undefined>;
    labelFieldRef: Ref<string>;
    nodePropsRef: Ref<TreeNodeProps | undefined>;
    multipleRef: Ref<boolean>;
    checkboxPlacementRef: 'left' | 'right';
    internalTreeSelect: boolean;
    checkOnClickRef: Ref<boolean | CheckOnClick>;
    disabledFieldRef: Ref<string>;
    showLineRef: Ref<boolean>;
    overrideDefaultNodeClickBehaviorRef: Ref<TreeOverrideNodeClickBehavior | undefined>;
    handleSwitcherClick: (node: TreeNode<TreeOption>) => void;
    handleSelect: (node: TreeNode<TreeOption>) => void;
    handleCheck: (node: TreeNode<TreeOption>, checked: boolean) => void;
    handleDragStart: (info: InternalDragInfo) => void;
    handleDragEnter: (info: InternalDragInfo) => void;
    handleDragLeave: (info: InternalDragInfo) => void;
    handleDragEnd: (info: InternalDragInfo) => void;
    handleDragOver: (info: InternalDragInfo) => void;
    handleDrop: (info: InternalDropInfo) => void;
}
export declare const treeInjectionKey: import("vue").InjectionKey<TreeInjection>;
export type TmNode = TreeNode<TreeOption>;
export interface MotionData {
    __motion: true;
    height: number | undefined;
    mode: 'expand' | 'collapse';
    nodes: TmNode[];
}
export interface InternalTreeInst {
    handleKeydown: (e: KeyboardEvent) => {
        enterBehavior: TreeOverrideNodeClickBehaviorReturn | null;
    };
}
export interface TreeInst {
    scrollTo: VirtualListScrollTo;
    getCheckedData: () => {
        keys: Key[];
        options: Array<TreeOption | null>;
    };
    getIndeterminateData: () => {
        keys: Key[];
        options: Array<TreeOption | null>;
    };
}
export type GetChildren = (option: any) => unknown;
export {};