Determine whether this node contans embedded parameters. The implication is that
{@link #getEmbeddedParameters()} is allowed to return null if this method returns false.
Namespace: NHibernate.Hql.Ast.ANTLR.TreeAssembly: NHibernate (in NHibernate.dll) Version: 3.2.0.4000 (3.2.0.4000)