PsiJetFileStubImpl[package=]
  PACKAGE_DIRECTIVE
  IMPORT_LIST
  FUN[fqName=some, hasBlockBody=false, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=true, isTopLevel=true, mayHaveContract=false, name=some]
    TYPE_REFERENCE
      USER_TYPE
        REFERENCE_EXPRESSION[referencedName=DoubleArray]
    VALUE_PARAMETER_LIST