vs code + salesforce: If you pull down whole org metadata and only want search to find only references in code

settings.json

{
  "search.exclude": {
    "**/node_modules": true,
    "**/bower_components": true,
    "**/.sfdx": true,
    "**/.history": true,
  },
  "search.include": {
    "**/apex": true,
    "**/aura": true,
    "**/lwc": true,
    "**/pages": true,
    "**/components": true,
    "**/triggers": true,
  }
}