ServiceBusinessContext.fromJson constructor Null safety

ServiceBusinessContext.fromJson(
  1. Map _json
)

Implementation

ServiceBusinessContext.fromJson(core.Map _json)
    : this(
        address: _json.containsKey('address')
            ? PostalAddress.fromJson(
                _json['address'] as core.Map<core.String, core.dynamic>)
            : null,
      );