addAll method
Implementation
RequestFormBuilder addAll(Map<String, dynamic> data) => this
..data.fields.addAll(
data.map((key, value) => MapEntry(key, value.toString())).entries,
);
RequestFormBuilder addAll(Map<String, dynamic> data) => this
..data.fields.addAll(
data.map((key, value) => MapEntry(key, value.toString())).entries,
);