void myEchoStructAsSimpleTypes(
$struct)
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		echoStructAsSimpleTypes  takes a SOAPStruct as input, and returns each of its elements  as OUT parameters
this function is also aliased so you have to call it with  echoStructAsSimpleTypes
SOAPStruct is defined as:
struct SOAPStruct:     string varString     integer varInt     float varFloat
        Parameters: