import * as React from 'react';
import type { ComponentProps, ComponentState } from '@fluentui/react-utilities';
import type { VirtualizerConfigProps, VirtualizerConfigState, VirtualizerChildRenderFunction } from '../Virtualizer/Virtualizer.types';
import type { VirtualizerScrollViewSlots } from '../VirtualizerScrollView/VirtualizerScrollView.types';
import type { DynamicVirtualizerContextProps, ScrollToInterface } from '../../Utilities';
export type VirtualizerScrollViewDynamicSlots = VirtualizerScrollViewSlots;
export type VirtualizerScrollViewDynamicProps = ComponentProps<Partial<VirtualizerScrollViewDynamicSlots>> & Partial<Omit<VirtualizerConfigProps, 'itemSize' | 'numItems' | 'getItemSize' | 'children' | 'flagIndex' | 'virtualizerContext'>> & {
    /**
     * Set as the minimum item size.
     * Axis: 'vertical' = Height
     * Axis: 'horizontal' = Width
     */
    itemSize: number;
    /**
     * Callback for acquiring size of individual items
     * @param index - the index of the requested size's child
     * If undefined, Virtualizer will auto-measure by default (performance tradeoff)
     */
    getItemSize?: (index: number) => number;
    /**
     * The total number of items to be virtualized.
     */
    numItems: number;
    /**
     * Child render function.
     * Iteratively called to return current virtualizer DOM children.
     * Will act as a row or column indexer depending on Virtualizer settings.
     */
    children: VirtualizerChildRenderFunction;
    /**
     * Imperative ref contains our scrollTo index functionality for user control.
     * WARNING: These tools are not intended for items that shift in size during render
     * For more complex functionality, applications will need to handle their own scroll
     */
    imperativeRef?: React.RefObject<ScrollToInterface | null>;
    /**
     * Enable pagination will auto scroll to the top of the closest item
     * WARNING: These tools are not intended for items that shift in size during render
     * For more complex functionality, applications will need to handle their own scroll
     */
    enablePagination?: boolean;
    /**
     * Enables override of dynamic virtualizer context if required.
     */
    virtualizerContext?: DynamicVirtualizerContextProps;
    /**
     * WARNING: Experimental - browser scroll anchoring works well in most cases.
     * Enables custom scroll anchor behavior
     */
    enableScrollAnchor?: boolean;
};
export type VirtualizerScrollViewDynamicState = ComponentState<VirtualizerScrollViewDynamicSlots> & VirtualizerConfigState & Pick<VirtualizerScrollViewDynamicProps, 'enableScrollAnchor'>;