There are options -plugin and -PluginArg for SignatureTest mode (not for Setup)
The user guide says only:
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-plugin classname Optional. Fully-qualified class name of a custom plug-in file reader.
-PluginArg path Conditional. Specifies another initialization parameter for the plug-in, which is usually a path to the plug-in implementation classes.
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Nobody uses it. Now it's impossible to use it not analyzing the source code. A plugin implementation must to implement any of two internal SigTest interfaces (one for reflection mode and the other for binary). There is no documented API for these interfaces.
Unused and bad implemented feature should be removed from the tool
The user guide says only:
----------
-plugin classname Optional. Fully-qualified class name of a custom plug-in file reader.
-PluginArg path Conditional. Specifies another initialization parameter for the plug-in, which is usually a path to the plug-in implementation classes.
----------
Nobody uses it. Now it's impossible to use it not analyzing the source code. A plugin implementation must to implement any of two internal SigTest interfaces (one for reflection mode and the other for binary). There is no documented API for these interfaces.
Unused and bad implemented feature should be removed from the tool