code: public ListSecurityConfigurationsResult withSecurityConfigurations(SecurityConfigurationSummary... securityConfigurations) {
          if (this.securityConfigurations == null) {
              setSecurityConfigurations(new com.amazonaws.internal.SdkInternalList<SecurityConfigurationSummary>(securityConfigurations.length));
          }
          for (SecurityConfigurationSummary ele : securityConfigurations) {
              this.securityConfigurations.add(ele);
          }
          return this;
      }
docs: <p>
  The creation date and time, and name, of each security configuration.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSecurityConfigurations(java.util.Collection)} or
  {@link #withSecurityConfigurations(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param securityConfigurations
  The creation date and time, and name, of each security configuration.
  @return Returns a reference to this object so that method calls can be chained together.