# Simple

class A {ClassA a;}

==>

Specification(
    ClassDeclaration(
        class
        Whitespace
        Identifier
        Whitespace
        OpenBrace
        ClassDefinition(
            Identifier
            Whitespace
            Identifier
            Semicolon
        )
        CloseBrace
    )
)

# Legacy and one parameter value

class A {legacy ClassB b(3);}

==>

Specification(
    ClassDeclaration(
        class
        Whitespace
        Identifier
        Whitespace
        OpenBrace
        ClassDefinition(
            legacy
            Whitespace
            Identifier
            Whitespace
            Identifier
            ParameterValueList(
                OpenParenthesis
                UnaryExpression(
                    IntegerLiteral
                )
                CloseParenthesis
            )
            Semicolon
        )
        CloseBrace
    )
)

# Multiple parameter values

class A {ClassC c(i, 3);}

==>

Specification(
    ClassDeclaration(
        class
        Whitespace
        Identifier
        Whitespace
        OpenBrace
        ClassDefinition(
            Identifier
            Whitespace
            Identifier
            ParameterValueList(
                OpenParenthesis
                UnaryExpression(
                    Identifier
                )
                Comma
                Whitespace
                UnaryExpression(
                    IntegerLiteral
                )
                CloseParenthesis
            )
            Semicolon
        )
        CloseBrace
    )
)