import type { Placement, ModifierPhases } from "@popperjs/core/lib/enums";
import type { PopperOffsetsModifier } from "@popperjs/core/lib/modifiers/popperOffsets";
import type { FlipModifier } from "@popperjs/core/lib/modifiers/flip";
import type { HideModifier } from "@popperjs/core/lib/modifiers/hide";
import type { OffsetModifier } from "@popperjs/core/lib/modifiers/offset";
import type { EventListenersModifier } from "@popperjs/core/lib/modifiers/eventListeners";
import type { ComputeStylesModifier } from "@popperjs/core/lib/modifiers/computeStyles";
import type { ArrowModifier } from "@popperjs/core/lib/modifiers/arrow";
import type { PreventOverflowModifier } from "@popperjs/core/lib/modifiers/preventOverflow";
import type { ApplyStylesModifier } from "@popperjs/core/lib/modifiers/applyStyles";
export declare type Obj = {
    [key: string]: any;
};
export declare type VisualViewport = EventTarget & {
    width: number;
    height: number;
    offsetLeft: number;
    offsetTop: number;
    scale: number;
};
export declare type Window = {
    innerHeight: number;
    offsetHeight: number;
    innerWidth: number;
    offsetWidth: number;
    pageXOffset: number;
    pageYOffset: number;
    getComputedStyle: typeof getComputedStyle;
    addEventListener(type: any, listener: any, optionsOrUseCapture?: any): void;
    removeEventListener(type: any, listener: any, optionsOrUseCapture?: any): void;
    Element: Element;
    HTMLElement: HTMLElement;
    Node: Node;
    toString(): "[object Window]";
    devicePixelRatio: number;
    visualViewport?: VisualViewport;
    ShadowRoot: ShadowRoot;
};
export declare type Rect = {
    width: number;
    height: number;
    x: number;
    y: number;
};
export declare type Offsets = {
    y: number;
    x: number;
};
export declare type PositioningStrategy = "absolute" | "fixed";
export declare type StateRects = {
    reference: Rect;
    popper: Rect;
};
export declare type StateOffsets = {
    popper: Offsets;
    arrow?: Offsets;
};
declare type OffsetData = {
    [key in Placement]?: Offsets;
};
export declare type State = {
    elements: {
        reference: Element | VirtualElement;
        popper: HTMLElement;
        arrow?: HTMLElement;
    };
    options: OptionsGeneric<any>;
    placement: Placement;
    strategy: PositioningStrategy;
    orderedModifiers: Array<Modifier<any, any>>;
    rects: StateRects;
    scrollParents: {
        reference: Array<Element | Window | VisualViewport>;
        popper: Array<Element | Window | VisualViewport>;
    };
    styles: {
        [key: string]: Partial<CSSStyleDeclaration>;
    };
    attributes: {
        [key: string]: {
            [key: string]: string | boolean;
        };
    };
    modifiersData: {
        arrow?: {
            x?: number;
            y?: number;
            centerOffset: number;
        };
        hide?: {
            isReferenceHidden: boolean;
            hasPopperEscaped: boolean;
            referenceClippingOffsets: SideObject;
            popperEscapeOffsets: SideObject;
        };
        offset?: OffsetData;
        preventOverflow?: Offsets;
        popperOffsets?: Offsets;
        [key: string]: any;
    };
    reset: boolean;
};
declare type SetAction<S> = S | ((prev: S) => S);
export declare type Instance = {
    state: State;
    destroy: () => void;
    forceUpdate: () => void;
    update: () => Promise<Partial<State>>;
    setOptions: (setOptionsAction: SetAction<Partial<OptionsGeneric<any>>>) => Promise<Partial<State>>;
};
export declare type ModifierArguments<Options extends Obj> = {
    state: State;
    instance: Instance;
    options: Partial<Options>;
    name: string;
};
export declare type Modifier<Name, Options extends Obj> = {
    name: Name;
    enabled: boolean;
    phase: ModifierPhases;
    requires?: Array<string>;
    requiresIfExists?: Array<string>;
    fn: (arg0: ModifierArguments<Options>) => State | void;
    effect?: (arg0: ModifierArguments<Options>) => (() => void) | void;
    options?: Partial<Options>;
    data?: Obj;
};
export declare type StrictModifiers = Partial<OffsetModifier> | Partial<ApplyStylesModifier> | Partial<ArrowModifier> | Partial<HideModifier> | Partial<ComputeStylesModifier> | Partial<EventListenersModifier> | Partial<FlipModifier> | Partial<PreventOverflowModifier> | Partial<PopperOffsetsModifier>;
export declare type EventListeners = {
    scroll: boolean;
    resize: boolean;
};
export declare type Options = {
    placement: Placement;
    modifiers: Array<Partial<Modifier<any, any>>>;
    strategy: PositioningStrategy;
    onFirstUpdate?: (arg0: Partial<State>) => void;
};
export declare type OptionsGeneric<TModifier> = {
    placement: Placement;
    modifiers: Array<TModifier>;
    strategy: PositioningStrategy;
    onFirstUpdate?: (arg0: Partial<State>) => void;
};
export declare type UpdateCallback = (arg0: State) => void;
export declare type ClientRectObject = {
    x: number;
    y: number;
    top: number;
    left: number;
    right: number;
    bottom: number;
    width: number;
    height: number;
};
export declare type SideObject = {
    top: number;
    left: number;
    right: number;
    bottom: number;
};
export declare type Padding = number | Partial<SideObject>;
export declare type VirtualElement = {
    getBoundingClientRect: () => ClientRect | DOMRect;
    contextElement?: Element;
};
export {};
