import { CSSProperties } from 'react';
import { ViewDimensions } from '../types/internal-interface';
/**
 * Measures the actual cell dimensions from the DOM.
 *
 * This utility function dynamically reads the actual rendered cell height
 * from the DOM (from `.sf-time-slots` or `.sf-work-cells-row` elements)
 * instead of relying on a hardcoded constant. This ensures accurate
 * positioning when CSS customizations are applied to cell dimensions.
 *
 * @param {HTMLElement | null} schedulerRef - Reference to the scheduler element
 * @returns {ViewDimensions} The measured dimensions object with cellHeight and optional cellWidth
 * @private
 */
export declare function getCellDimensions(schedulerRef: HTMLElement | null): ViewDimensions;
/**
 * Returns the rendered timeline event height by measuring an appointment element from the DOM.
 *
 * @param {HTMLElement | null | undefined} element - Reference element for locating the appointment element.
 * @returns {number} The event height in pixels, or the default height when unavailable.
 * @private
 */
export declare function getTimelineEventHeight(element: HTMLElement | null | undefined): number;
type ResourceRowHeightStyleArgs = (isGroupingEnabled: boolean, rowAutoHeight: boolean, resourceRowHeights: Map<number, number> | undefined, groupIndex: number | undefined, maxEventsStack?: number, eventHeight?: number, isTimelineView?: boolean) => CSSProperties | undefined;
/**
 * Builds the inline style object for the `--sf-scheduler-resource-row-height`
 * CSS variable based on the rowAutoHeight or maxEventsPerStack settings.
 *
 * - Returns `undefined` when grouping/auto-height is disabled, the view is
 *   not a timeline view, or `groupIndex` is undefined/missing in the map.
 *
 * @param {boolean} isGroupingEnabled - Whether resource grouping is active
 * @param {boolean} rowAutoHeight - Whether row auto-height is enabled
 * @param {Map<number, number> | undefined} resourceRowHeights - Map of groupIndex → row height in px (published by TimelineEvent for `rowAutoHeight=true`)
 * @param {number | undefined} groupIndex - The resource group index to look up
 * @param {number} [maxEventsStack] - User-supplied event-stack cap. When set, drives a fixed per-row height.
 * @param {number} [eventHeight] - Rendered event-bar height in pixels. Defaults to `DEFAULT_TIMELINE_EVENT_HEIGHT`.
 * @param {boolean} [isTimelineView=true] - Timeline-view guard. Pass `false` to skip
 * @returns {CSSProperties | undefined} Style object with the CSS var, or undefined
 * @private
 */
export declare const getResourceRowHeightStyle: ResourceRowHeightStyleArgs;
export {};