public int getOpensToEntry(int i) {
			return opens_to_index[i] & 0xffff;
		}
Each entry in the {@code opens_to_index} table must be a valid index into
the constant pool. The entry at that index must be a {@link ConstantPoolModuleInfo} structure
denoting a module whose code can access the types and members in this opened package.
@param i desired entry
@return index
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/ModuleAttribute.java