BRLMPrinterModelPT_E550W top-level constant Null safety

BrotherModel const BRLMPrinterModelPT_E550W

Implementation

const BRLMPrinterModelPT_E550W = BrotherModel(codeIOS: 30, nameIOS: 'Brother PT-E550W', codeAndroid: 23, nameAndroid: 'PT-E550W');