private function ParseAssignmentExpressions(Functional\IAST $AST)
{
$AST->SetPropertyMode(Functional\IAST::PropertiesAreGettersOrSetters);
$Expressions = $AST->ParseNodes();
foreach ($Expressions as $Key => $Expression) {
if (!$Expression instanceof AssignmentExpression) {
unset($Expressions[$Key]);
}
}
return $Expressions;
}