getAsNullableMap method
Converts array element into an AnyValueMap or returns null if conversion is not possible.
index
an index of element to get. Returns AnyValueMap value of the element or null if conversion is not supported.
See AnyValueMap See AnyValueMap.fromValue
Implementation
AnyValueMap? getAsNullableMap(int index) {
var value = AnyValueMap.fromValue(_values[index]);
return value.values.isNotEmpty ? value : null;
}