code: public UpdateOpenIDConnectProviderThumbprintRequest withThumbprintList(String... thumbprintList) {
          if (this.thumbprintList == null) {
              setThumbprintList(new com.amazonaws.internal.SdkInternalList<String>(thumbprintList.length));
          }
          for (String ele : thumbprintList) {
              this.thumbprintList.add(ele);
          }
          return this;
      }
docs: <p>
  A list of certificate thumbprints that are associated with the specified IAM OpenID Connect provider. For more
  information, see <a>CreateOpenIDConnectProvider</a>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setThumbprintList(java.util.Collection)} or {@link #withThumbprintList(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param thumbprintList
  A list of certificate thumbprints that are associated with the specified IAM OpenID Connect provider. For
  more information, see <a>CreateOpenIDConnectProvider</a>.
  @return Returns a reference to this object so that method calls can be chained together.