nl_tokens: Resolves a value from CallArgument description .
pl_tokens: function ( callArgumentJson ) { callArgumentJson = nullifyObjectProto ( callArgumentJson ) ; var objectId = callArgumentJson . objectId ; if ( objectId ) { var parsedArgId = this . _parseObjectId ( objectId ) ; if ( ! parsedArgId || parsedArgId [ "injectedScriptId" ] !== injectedScriptId ) throw "Arguments should belong to the same JavaScript world as the target object." ; var resolvedArg = this . _objectForId ( parsedArgId ) ; if ( ! this . _isDefined ( resolvedArg ) ) throw "Could not find object with given id" ; return resolvedArg ; } else if ( "value" <mask> callArgumentJson ) { var value = callArgumentJson . value ; if ( callArgumentJson . type === "number" && typeof value !== "number" ) value = Number ( value ) ; return value ; } return undefined ; }