import type { Ref, VNode } from 'vue';
import type { ExtractPublicPropTypes } from '../../../_utils';
import type { collapseProps } from '../props/collapse.props';
import type { collapseItemProps } from '../props/collapseItem.props';
export type CollapseTriggerArea = 'main' | 'extra' | 'arrow';
export type CollapseExpandedName = string | number;
export type CollapseExpandedNames = CollapseExpandedName | CollapseExpandedName[] | null;
export type OnUpdateExpandedNames = <T extends string[] & number[] & Array<string | number> & (string | number | null) & (string | null) & (number | null)>(value: T) => void;
export type OnUpdateExpandedNamesImpl = <T extends string[] | number[] | Array<string | number> | (string | number | null) | (string | null) | (number | null)>(value: T) => void;
export type OnItemHeaderClick = <T extends string & number & (string | number)>(info: HeaderClickInfo<T>) => void;
export type OnItemHeaderClickImpl = <T extends string | number | (string | number)>(info: HeaderClickInfo<T>) => void;
export interface HeaderClickInfo<T> {
    name: T;
    expanded: boolean;
    event: MouseEvent;
}
export type ArrowPlacement = 'left' | 'right' | 'right-edge';
export interface CollapseArrowSlotProps {
    collapsed: boolean;
}
export interface CollapseItemHeaderSlotProps {
    collapsed: boolean;
}
export interface CollapseItemHeaderExtraSlotProps {
    collapsed: boolean;
}
export interface CollapseItemArrowSlotProps {
    collapsed: boolean;
}
export interface CollapseSlots {
    default?: () => VNode[];
    arrow?: (props: CollapseArrowSlotProps) => VNode[];
    header?: (props: CollapseItemHeaderSlotProps) => VNode[];
    'header-extra'?: (props: CollapseItemHeaderExtraSlotProps) => VNode[];
}
export interface CollapseItemSlots {
    default?: () => VNode[];
    header?: (props: CollapseItemHeaderSlotProps) => VNode[];
    'header-extra'?: (props: CollapseItemHeaderExtraSlotProps) => VNode[];
    arrow?: (props: CollapseItemArrowSlotProps) => VNode[];
}
export interface UCollapseInjectionProps {
    triggerAreas: CollapseTriggerArea[];
    displayDirective: 'if' | 'show';
    arrowPlacement: ArrowPlacement;
}
export interface UCollapseInjection {
    props: UCollapseInjectionProps;
    expandedNamesRef: Ref<CollapseExpandedNames>;
    mergedClsPrefixRef: Ref<string>;
    slots: CollapseSlots;
    toggleItem: (collapse: boolean, name: CollapseExpandedName, event: MouseEvent) => void;
}
export type CollapseProps = ExtractPublicPropTypes<typeof collapseProps>;
export type CollapseItemProps = ExtractPublicPropTypes<typeof collapseItemProps>;