@atlaskit/primitives/dist/esm/constants.js

Primitives are token-backed low-level building blocks.

export var LAYERS = {
  card: 100,
  navigation: 200,
  dialog: 300,
  layer: 400,
  blanket: 500,
  modal: 510,
  flag: 600,
  spotlight: 700,
  tooltip: 800
};