For example:
<img width="1904" alt="Screen Shot 2021-11-05 at 11 59 05 AM" src="https://user-images.githubusercontent.com/29597/140540816-25d6d47b-7aea-4121-aeaa-565accc65b1f.png">

* @flow
 */
export const DPR: number = window.devicePixelRatio || 1;
export const LABEL_SIZE = 80;
export const MARKER_HEIGHT = 20;
export const MARKER_TICK_HEIGHT = 8;
export const FONT_SIZE = 10;
export const MARKER_TEXT_PADDING = 8;
export const COLOR_HOVER_DIM_DELTA = 5;
export const TOP_ROW_PADDING = 4;
export const NATIVE_EVENT_HEIGHT = 14;
export const SUSPENSE_EVENT_HEIGHT = 14;
export const PENDING_SUSPENSE_EVENT_SIZE = 8;
export const REACT_EVENT_DIAMETER = 6;
export const USER_TIMING_MARK_SIZE = 8;
export const REACT_MEASURE_HEIGHT = 14;
export const BORDER_SIZE = 1 / DPR;
export const FLAMECHART_FRAME_HEIGHT = 14;
export const TEXT_PADDING = 3;
export const SNAPSHOT_HEIGHT = 35;
export const INTERVAL_TIMES = [
  1,
  2,
  5,
  10,
  20,
  50,
  100,
  200,
  500,