public boolean isService(Class<?> serviceInterface) {
		return serviceMgr.isService(serviceInterface);
	}
Returns true if the specified <code>serviceInterface</code>
is a valid service that exists in this tool.
@param serviceInterface the service interface
@return true if the specified <code>serviceInterface</code>
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/PluginTool.java