HTTP headers to add to the request.
Prefer to use addHeader over directly setting this value. Additionally, there are setters for setting specific and common headers. See setBasicAuthorization and accept as examples.
Source
Map<String, dynamic> get headers => _headers;
Source
set headers(Map<String, dynamic> h) { if (_headers.isNotEmpty) { print( "WARNING: Setting TestRequest headers, but headers already have values."); } _headers = h; }