PropError.combination constructor

PropError.combination(
  1. String propName,
  2. String? prop2Name, [
  3. String message = ''
])

Create a new PropError that signifies the propName and prop2Name are in conflict.

Implementation

PropError.combination(this.propName, this.prop2Name, [this.message = ''])
  : invalidValue = null,
    _messagePrefix = combinationPrefix;