/** @internal */
export interface ContainerSize {
    /** The width of the container. */
    width: number;
    /** The height of the container. */
    height: number;
}
/**
 * Child props that need to be spread on each child for proper measurment
 * @internal
 */
export type UseMeasureChildrenChildProps = {
    /**
     * Unique child id used to identify the child
     */
    'data-id'?: string;
};
/** @internal */
export type UseMeasureChildrenReturnType<T> = {
    /**
     * CallbackRef for the container element containing the children to be measured
     */
    containerRef: (node: T) => void;
    /**
     * Contains an entry for each child with its corresponding measurements.
     * The unique data-id is used as a key.
     */
    measurements: {
        [key: string]: ContainerSize | undefined;
    };
    /**
     * Array of child props that need to be spread on each child for proper measurement
     */
    childProps: UseMeasureChildrenChildProps[];
};
/**
 * The hook _useMeasureChildren can be used to measure each direct child in a container.
 * @internal
 */
export declare const useMeasureChildren: <T extends HTMLElement = HTMLDivElement>() => UseMeasureChildrenReturnType<T>;