import { DropdownPlacement } from "./interface";
import { Component, VNode, VNodeTypes } from "vue";
export interface SlotChildren {
    value?: VNode[];
}
export declare enum ShapeFlags {
    ELEMENT = 1,
    FUNCTIONAL_COMPONENT = 2,
    STATEFUL_COMPONENT = 4,
    COMPONENT = 6,
    TEXT_CHILDREN = 8,
    ARRAY_CHILDREN = 16,
    SLOTS_CHILDREN = 32,
    TELEPORT = 64,
    SUSPENSE = 128,
    COMPONENT_SHOULD_KEEP_ALIVE = 256,
    COMPONENT_KEPT_ALIVE = 512
}
export declare const isScrollElement: (element: HTMLElement) => boolean;
export declare const getScrollElements: (container: HTMLElement | undefined) => HTMLElement[];
export declare const isElement: (vn: VNode) => boolean;
export declare const isComponent: (vn: VNode, type?: VNodeTypes) => type is Component<any, any, any, import("vue").ComputedOptions, import("vue").MethodOptions>;
export declare const isArrayChildren: (vn: VNode, children: VNode["children"]) => children is VNode<import("vue").RendererNode, import("vue").RendererElement, {
    [key: string]: any;
}>[];
export declare const getChildrenArray: (vn: VNode) => VNode[] | undefined;
export declare const getFirstElementFromVNode: (vn: VNode) => HTMLElement | undefined;
export declare const getFirstElementFromChildren: (children: VNode[] | undefined) => HTMLElement | undefined;
export declare const useFirstElement: () => {
    children: SlotChildren;
    firstElement: import("vue").Ref<HTMLElement | undefined>;
};
export declare const transformPlacement: (placement: DropdownPlacement) => DropdownPlacement;