docs: public static XMethod findExactMethod(InvokeInstruction inv, ConstantPoolGen cpg, JavaClassAndMethodChooser chooser)
      {
          String className = inv.getClassName(cpg);
          String methodName = inv.getName(cpg);
          String methodSig = inv.getSignature(cpg);
  
          XMethod result = findMethod(DescriptorFactory.createClassDescriptorFromDottedClassName(className), methodName, methodSig,
                  inv instanceof INVOKESTATIC);
  
          return thisOrNothing(result, chooser);
      }