Returns an annotation.
key of the annotation
The value of the annotation as an option if an annotation with the given key exists. None, otherwise.
CAUTION: code outside this class should change the parent only under very rare circumstances.
Retrieves some text from this node.
Retrieves the root node of this AST.
The root Node
Retrieves the section of this node
The section of this node, may be null
Sets a user-defined annotation.
The key of the annotation
The value of the annotation
IRI of source page and line number.