jupyterlab/packages/codemirror-extension/schema/commands.json

{
  "jupyter.lab.setting-icon-class": "jp-TextEditorIcon",
  "jupyter.lab.setting-icon-label": "CodeMirror",
  "title": "CodeMirror",
  "description": "Text editor settings for all CodeMirror editors.",
  "properties": {
    "keyMap": { "type": "string", "title": "Key Map", "default": "default" },
    "theme": { "type": "string", "title": "Theme", "default": "default" }
  },
  "type": "object"
}