code: public UpdateConfigurationResult withWarnings(SanitizationWarning... warnings) {
          if (this.warnings == null) {
              setWarnings(new java.util.ArrayList<SanitizationWarning>(warnings.length));
          }
          for (SanitizationWarning ele : warnings) {
              this.warnings.add(ele);
          }
          return this;
      }
docs: The list of the first 20 warnings about the configuration XML elements or attributes that were sanitized.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setWarnings(java.util.Collection)} or {@link #withWarnings(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param warnings
  The list of the first 20 warnings about the configuration XML elements or attributes that were sanitized.
  @return Returns a reference to this object so that method calls can be chained together.