public byte [] getDebugExtension() {
		return debugExtension;
	}
The debug_extension array holds extended debugging information which has
no semantic effect on the Java virtual machine. The information is represented
using a modified UTF-8 string with no terminating zero byte.
<p>
Note that the debug_extension array may denote a string longer than that which can be
represented with an instance of class String.
@return an array of extended debugging information
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/SourceDebugExtensionAttribute.java