[rules-users] how to check if a global has been declared in a rule

[gs76pl]

hi,

is it possible to check if a rule has been defined with a global as below?

global MyObject obj;

rule
when
then

Basically, i'm running below code:
ksession = kbase.newStatefulKnowledgeSession();
ksession.setGlobal("obj", new MyObject());

but if a rule doesn't have global definition my code throws an exception.
What i'd like to do is something like
ksession.getGlobal('"obj") or ksession.checkGlobalExist('"obj").
Unfortunately the first method doesn't work as it doesn't check if a global
has been declared in a rule
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