code: public GetApiKeysResult withWarnings(String... warnings) {
          if (this.warnings == null) {
              setWarnings(new java.util.ArrayList<String>(warnings.length));
          }
          for (String ele : warnings) {
              this.warnings.add(ele);
          }
          return this;
      }
docs: <p>
  A list of warning messages logged during the import of API keys when the <code>failOnWarnings</code> option is
  set to true.
  </p>
  <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
  A list of warning messages logged during the import of API keys when the <code>failOnWarnings</code>
  option is set to true.
  @return Returns a reference to this object so that method calls can be chained together.