public int getDescriptorIndex() {
		return descriptorIndex & 0xffff;
	}
The value of the descriptor_index item must be a valid index into the
constant_pool table. The constant_pool entry at that index must contain
a CONSTANT_Utf8_info structure representing a field descriptor
encoding the type of a local variable in the source program.
@return a valid index into the constant_pool table
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/LocalVariableJava.java