public CodeAttribute getCodeAttribute() {
		for (AbstractAttributeInfo attributeInfo : attributes) {
			if (attributeInfo instanceof CodeAttribute) {
				return (CodeAttribute) attributeInfo;
			}
		}
		return null;
	}
Clips the encoded return type from the method descriptor then
decodes it into a readable data type.
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/MethodInfoJava.java