code: package io.lakefs.clients.api;
  
  import java.util.HashSet;
  
  /**
   * Representing a Server Variable for server URL template substitution.
   */
  public class ServerVariable {
      public String description;
      public String defaultValue;
      public HashSet<String> enumValues = null;
  
      /**
       * @param description A description for the server variable.
       * @param defaultValue The default value to use for substitution.
       * @param enumValues An enumeration of string values to be used if the substitution options are from a limited set.
       */
      public ServerVariable(String description, String defaultValue, HashSet<String> enumValues) {
          this.description = description;
          this.defaultValue = defaultValue;
          this.enumValues = enumValues;
      }
  }
  