import type { Middleware, MiddlewareData, Placement } from '@floating-ui/react';
/** Per-side padding, popper.js v1 shape */
export interface PopperPadding {
    top?: number;
    bottom?: number;
    left?: number;
    right?: number;
}
/** Base options shared by all modifiers, popper.js v1 shape */
export interface PopperModifierOptions {
    /** Whether the modifier is applied */
    enabled?: boolean;
}
/** Modifier configuration, popper.js v1 shape, mapped internally to `@floating-ui/react` middleware */
export interface PopperModifiers {
    /** Flip the popper to the opposite side when it overflows its boundary */
    flip?: PopperModifierOptions & {
        padding?: number | PopperPadding;
        boundariesElement?: string | Element;
        behavior?: string | string[];
    };
    /** Skidding and distance offsets in popper.js v1 `"<skidding>, <distance>"` format */
    offset?: PopperModifierOptions & {
        offset?: number | string;
    };
    /** Keep the popper inside its overflow boundary */
    preventOverflow?: PopperModifierOptions & {
        padding?: number | PopperPadding;
        boundariesElement?: string | Element;
        escapeWithReference?: boolean;
        priority?: string[];
    };
    /** Hide the popper when its reference is out of boundaries */
    hide?: PopperModifierOptions;
}
/** Callback invoked on popper lifecycle events */
export type PopperLifecycleCallback = (data: never) => void;
/** Positioning options, popper.js v1 shape, mapped internally to `@floating-ui/react` */
export interface PopperOptions {
    /** Modifier configuration */
    modifiers?: PopperModifiers;
    /** Called once the popper has been created and positioned */
    onCreate?: PopperLifecycleCallback;
    /** Called on each position update after creation */
    onUpdate?: PopperLifecycleCallback;
    /**
     * Position the popper relative to the viewport (`fixed`) instead of its
     * nearest positioned ancestor (`absolute`). `true` escapes a clipping or
     * scrolling ancestor (e.g. an `overflow: hidden` container) that `absolute`
     * positioning cannot. popper.js v1 shape.
     */
    positionFixed?: boolean;
}
export declare const resolveStrategy: (popperOptions: PopperOptions) => "absolute" | "fixed";
export declare const getPopperOptions: (popperOptions: PopperOptions, isInsideModal?: boolean) => PopperOptions;
export declare const createMiddleware: (options: PopperOptions) => Middleware[];
export declare const getParityAttributes: (resolvedPlacement: Placement, middlewareData: MiddlewareData) => Record<string, string>;
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