code: private static ParamType typeConverter(String typeName) {
          if (typeName == null || typeName.isEmpty()) {
              return null;
          }
  
          if ("Number".equals(typeName) || "Long".equalsIgnoreCase(typeName)
                  || "Integer".equals(typeName) || "int".equals(typeName)) {
              return ParamType.NUMBER;
          }
  
          if ("Boolean".equalsIgnoreCase(typeName)) {
              return ParamType.BOOLEAN;
          }
  
          if ("String".equals(typeName)) {
              return ParamType.STRING;
          }
  
          if ("Date".equals(typeName)) {
              return ParamType.DATE;
          }
  
          if ("File".equals(typeName)) {
              return ParamType.FILE;
          }
  
          return null;
      }
docs: Convert a string version of the type name into a ParamType enum or null if nothing correspond.
  
  @param typeName The type name.
  @return the {@link ParamType} corresponding to the  given type name.