src/main/java/wybs/util/AbstractSyntacticItem.java
@Override
	public <T extends SyntacticItem> T getAncestor(Class<T> kind) {
		return parent.getAncestor(this, kind);
	}
@Override
	public <T extends SyntacticItem> T getAncestor(Class<T> kind) {
		return parent.getAncestor(this, kind);
	}
Get the first syntactic item of a given kind which refers to this item either
indirectly or directly.

@param kind
@return