@atlaskit/editor-core/dist/esm/utils/performance/measure-enum.js

A package contains Atlassian editor core functionality

export default {
  EDITOR_MOUNTED: 'Editor Component Mount Time',
  PROSEMIRROR_RENDERED: 'ProseMirror Render Time',
  PROSEMIRROR_CONTENT_RENDERED: 'ProseMirror Content Render Time',
  ON_EDITOR_READY_CALLBACK: 'onEditorReady Callback Duration'
};