Program at 1:0
+-- sourceType: script
+-- body:
|   +-- 0: ExpressionStatement at 1:0
|   |   +-- expression: SequenceExpression at 1:0
|   |   |   +-- expressions:
|   |   |   |   +-- 0: " while executing client event 1"
|   |   |   |   |   +-- value:  while executing client event 1