An extension or construction, that is, anything that can go in an extended type or class specifier.

Examples:

Object()
Point.cartesian(x, y, 0.0)
Initializer
ExtensionOrConstruction()
Attributes
argumentsshared formal PositionalArguments? arguments

The arguments to the extended class or invoked constructor, if any.

childrenshared formal <NameWithTypeArguments|PositionalArguments|BaseType|PackageQualifier|Super>[] children

The child nodes of this node.

nameAndArgsshared formal NameWithTypeArguments nameAndArgs

The name of the extended class or invoked constructor.

qualifiershared formal BaseType|PackageQualifier|Super? qualifier

The qualifier, if any.

Inherited Attributes
Attributes inherited from: Node
Attributes inherited from: Object
hash, string
Inherited Methods
Methods inherited from: Node
Methods inherited from: Object
equals