public static JavaComputationalCategory getReturnCategoryOfMethodDescriptor(
			String methodDescriptor) {
		int closeParenIndex = methodDescriptor.indexOf(")");
		if (closeParenIndex == -1) {
			throw new IllegalArgumentException("Invalid method descriptor: " + methodDescriptor);
		}
		String returnDescriptor =
			methodDescriptor.substring(closeParenIndex + 1, methodDescriptor.length());
		return DescriptorDecoder.getComputationalCategoryOfDescriptor(returnDescriptor);
	}
Returns the computational category of the return type of a method descriptor.
@param methodDescriptor
@return
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/DescriptorDecoder.java