$PurchasesAcknowledgeRequest.fromJson constructor Null safety

$PurchasesAcknowledgeRequest.fromJson(
  1. Map _json
)

Implementation

$PurchasesAcknowledgeRequest.fromJson(core.Map _json)
    : this(
        developerPayload: _json.containsKey('developerPayload')
            ? _json['developerPayload'] as core.String
            : null,
      );