Does dev-tools autocomplete role_arn properties for snapshot?

[getsolaris]

Is your feature request related to a problem? Please describe.

dev-tools does not automatically complete.

Describe the solution you'd like

If auto-completion is supported, users can immediately recognize and use the properties.

Additional context

POST /_snapshot/test
{
  "type": "s3",
  "settings": {
    "bucket": "test",
    "base_path": "/",
    "readonly": true,
    "region": "ap-northeast-2",
    "role_arn": "" 
  }
}