Header constructor

const Header([
  1. IdentifierableCollection first = const IdentifierableCollection(CitrusSyntaxList([LowercaseAlphabetH(), LowercaseAlphabetE(), LowercaseAlphabetA(), LowercaseAlphabetD(), LowercaseAlphabetE(), LowercaseAlphabetR()]))
])

Implementation

const Header([
    this.first = const IdentifierableCollection(
        CitrusSyntaxList([
            LowercaseAlphabetH(),
            LowercaseAlphabetE(),
            LowercaseAlphabetA(),
            LowercaseAlphabetD(),
            LowercaseAlphabetE(),
            LowercaseAlphabetR(),
        ])
    )
]);