operator [] method
Implementation
dynamic operator [](String key) {
if (!_rawDocument.fields.containsKey(key)) return null;
return TypeUtil.decode(_rawDocument.fields[key]!, _gateway);
}
dynamic operator [](String key) {
if (!_rawDocument.fields.containsKey(key)) return null;
return TypeUtil.decode(_rawDocument.fields[key]!, _gateway);
}