code: @Nullable
      private UserObject sawStaticCall() {
  
          if (getSigConstantOperand().endsWith(Values.SIG_VOID)) {
              return null;
          }
  
          return new UserObject(isRiskyMethodCall());
      }
docs: processes a static call or initializer by checking to see if the call is risky, and returning a OpcodeStack item user value saying so.
  
  @return the user object to place on the OpcodeStack