SignedData.fromJson constructor Null safety

SignedData.fromJson(
  1. Map _json
)

Implementation

SignedData.fromJson(core.Map _json)
    : this(
        data: _json.containsKey('data') ? _json['data'] as core.String : null,
        signature: _json.containsKey('signature')
            ? _json['signature'] as core.String
            : null,
      );