message: [Azure Search] Improving description of searchFields parameter
  This is part of the effort to clarify the relationship between searchFields
  and fielded search in the full Lucene query syntax. See this issue for
  context:
diff: "items": {
  "type": "string"
  },
  - "description": "The list of field names to include in the full-text search.",
  + "description": "The list of field names to which to scope the full-text search. When using fielded search (fieldName:searchExpression) in a full Lucene query, the field names of each fielded search expression take precedence over any field names listed in this parameter.",
  "x-ms-parameter-grouping": {
  "name": "SearchParameters"
  }
  },
  "searchFields": {
  "type": "string",
  - "description": "The comma-separated list of field names to include in the full-text search."
  + "description": "The comma-separated list of field names to which to scope the full-text search. When using fielded search (fieldName:searchExpression) in a full Lucene query, the field names of each fielded search expression take precedence over any field names listed in this parameter."
  },
  "searchMode": {
  "$ref": "#/definitions/SearchMode",
  },
  "searchFields": {
  "type": "string",
  - "description": "The list of comma-separated field names to search for the specified search text. Target fields must be included in the specified suggester."
  + "description": "The comma-separated list of field names to search for the specified search text. Target fields must be included in the specified suggester."
  },
  "select": {
  "type": "string",
  