6a770cbd_o_Splunk___Splunk_SDK_for_Java__Description
[Parameter] queue [Input type] TCP raw, UPD [Description] 
An enum that specifies where to deposit the events that are read by the input processor. Valid values are "parsingQueue" (apply values from the props.conf configuration file and other parsing rules to your data) and "indexQueue" (send your data directly into the index).
How to get data into Splunk | Splunk SDK for Java
Description