code: public ActiveTrustedSigners withItems(Signer... items) {
          if (this.items == null) {
              setItems(new com.amazonaws.internal.SdkInternalList<Signer>(items.length));
          }
          for (Signer ele : items) {
              this.items.add(ele);
          }
          return this;
      }
docs: <p>
  A complex type that contains one <code>Signer</code> complex type for each trusted signer that is specified in
  the <code>TrustedSigners</code> complex type.
  </p>
  <p>
  For more information, see <a>ActiveTrustedSigners</a>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setItems(java.util.Collection)} or {@link #withItems(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param items
  A complex type that contains one <code>Signer</code> complex type for each trusted signer that is
  specified in the <code>TrustedSigners</code> complex type.</p>
  <p>
  For more information, see <a>ActiveTrustedSigners</a>.
  @return Returns a reference to this object so that method calls can be chained together.