Operation.post constructor Null safety

const Operation.post(
  1. [String? pathVariable1,
  2. String? pathVariable2,
  3. String? pathVariable3,
  4. String? pathVariable4]
)

Implementation

const Operation.post([
  String? pathVariable1,
  String? pathVariable2,
  String? pathVariable3,
  String? pathVariable4,
])  : method = "POST",
      _pathVariable1 = pathVariable1,
      _pathVariable2 = pathVariable2,
      _pathVariable3 = pathVariable3,
      _pathVariable4 = pathVariable4;