import * as React from 'react';
import { BaseUIComponentProps } from '@mui/x-scheduler-internals/base-ui-copy';
export declare const TimelineGridHeader: React.ForwardRefExoticComponent<Omit<TimelineGridHeader.Props, "ref"> & React.RefAttributes<HTMLDivElement>>;
export declare namespace TimelineGridHeader {
  interface State {}
  interface Props extends BaseUIComponentProps<'div', State> {
    /**
     * Extra class names applied to the primitive's internal elements so a styled wrapper
     * (or a consumer) can target rows, cells, and labels without a nested selector.
     */
    classNames?: {
      row?: string;
      cell?: string;
      label?: string;
    };
    /**
     * When provided, only header cells overlapping this tick range are rendered.
     * Tick indices are zero-based relative to the preset's tick grid (not the
     * virtualizer's column model which includes the pinned title column).
     */
    tickRange?: {
      firstTickIndex: number;
      lastTickIndex: number;
    };
  }
}