code: static String getHttpVerbForOperation(final TableOperationType operationType) {
          if (operationType == TableOperationType.INSERT) {
              return "POST";
          }
          else if (operationType == TableOperationType.DELETE) {
              return "DELETE";
          }
          else if (operationType == TableOperationType.MERGE || operationType == TableOperationType.INSERT_OR_MERGE) {
              return "MERGE";
          }
          else if (operationType == TableOperationType.REPLACE || operationType == TableOperationType.INSERT_OR_REPLACE) {
              return "PUT";
          }
          else if (operationType == TableOperationType.RETRIEVE) {
              return "GET";
          }
          else {
              throw new IllegalArgumentException(SR.UNKNOWN_TABLE_OPERATION);
          }
      }
docs: Reserved for internal use. Returns the HTTP verb for a table operation.
  
  @param operationType
  The {@link TableOperation} instance to get the HTTP verb for.
  @return
  A <code>String</code> containing the HTTP verb to use with the operation.