code: public void setPublicKeyList(java.util.Collection<PublicKey> publicKeyList) {
          if (publicKeyList == null) {
              this.publicKeyList = null;
              return;
          }
  
          this.publicKeyList = new com.amazonaws.internal.SdkInternalList<PublicKey>(publicKeyList);
      }
docs: <p>
  Contains an array of PublicKey objects.
  </p>
  <note>
  <p>
  The returned public keys may have validity time ranges that overlap.
  </p>
  </note>
  
  @param publicKeyList
  Contains an array of PublicKey objects.</p> <note>
  <p>
  The returned public keys may have validity time ranges that overlap.
  </p>