import * as React from 'react';
import { DynamicVirtualizerContextProps } from '../Utilities';
export type VirtualizerMeasureProps = {
    defaultItemSize: number;
    direction?: 'vertical' | 'horizontal';
    /**
     * Override recommended number of buffer items
     */
    bufferItems?: number;
    /**
     * Override recommended buffer size (px)
     */
    bufferSize?: number;
};
export type VirtualizerMeasureDynamicProps = {
    defaultItemSize: number;
    virtualizerContext: DynamicVirtualizerContextProps;
    numItems: number;
    getItemSize: (index: number) => number;
    direction?: 'vertical' | 'horizontal';
    gap?: number;
    /**
     * Override recommended number of buffer items
     */
    bufferItems?: number;
    /**
     * Override recommended buffer size (px)
     */
    bufferSize?: number;
};
export type VirtualizerStaticPaginationProps = {
    itemSize: number;
    axis?: 'vertical' | 'horizontal';
};
/**
 * Props to be passed into dynamic virtualization hooks
 * All props can be acquired from useVirtualizer hooks themselves and passed in
 */
export type VirtualizerDynamicPaginationProps = {
    /**
     * An array that tracks the sizing of each item in virtualizer cumulatively
     */
    progressiveItemSizes: React.RefObject<number[]> | undefined;
    /**
     * An array that tracks the current size of each item
     * Should be up to date with any post-render changes via resizeObserver
     */
    actualNodeSizes: React.RefObject<number[]>;
    /**
     * The current starting index of the virtualizer's DOM elements
     */
    currentIndex: number;
    /**
     * The axis we should paginate on (should match virtualizer's axis)
     */
    axis?: 'vertical' | 'horizontal';
    /**
     * The current length of Virtualizer's actual DOM elements
     */
    virtualizerLength: number;
};
/**
 * Additional direct Ref prevents reading old resize entry data
 * Backwards compatible with ResizeObserverCallback if preferred
 */
export interface ResizeCallbackWithRef {
    (entries: ResizeObserverEntry[], observer: ResizeObserver, scrollRef?: React.MutableRefObject<HTMLElement | null>): void;
}