@JsonProperty(ACCOUNT_NAME_KEY)
  public DatasetBuilder setAccountName(String accountName) {
    this.accountName = accountName;
    return this;
  }
Set the account name of the {@link Dataset} to build.
@param accountName the account name to set.
@return the builder.
ambry-api/src/main/java/com/github/ambry/account/DatasetBuilder.java