code: static String javaScriptPropertyToJavaPropertyName(final String prefix, final String jsPropertyName) {
          if (jsPropertyName.isEmpty()) {
              throw new JsiiException("jsPropertyName must not be empty");
          }
  
          StringBuilder sb = new StringBuilder();
          sb.append(prefix);
          sb.append(jsPropertyName.substring(0, 1).toUpperCase());
          if (jsPropertyName.length() > 1) {
              sb.append(jsPropertyName.substring(1));
          }
          return sb.toString();
      }
docs: Converts a javascript property name (xxx) to a Java property method (setXxx/getXxx).
  @param prefix The prefix (get/set)
  @param jsPropertyName The javascript property name
  @return The java method name