code: public String createAuthzHeaderForAuthorizedEndpoint(String endpointUrl, String token) {
          Map<String, String> parameters = populateAuthorizedEndpointAuthzHeaderParams(token);
          return signAndCreateAuthzHeader(endpointUrl, parameters);
      }
docs: Generates the Authorization header value required for an authorized endpoint request. Assumes that {@code tokenSecret} has
  already been set to the appropriate value based on the provided token. See
  {@link https://dev.twitter.com/oauth/reference/post/oauth/access_token} for details.
  
  @param endpointUrl
  @param token
  For {@value TwitterConstants#TWITTER_ENDPOINT_ACCESS_TOKEN} requests, this is the request token obtained in an
  earlier call. For other authorized requests, this is a valid access token.
  @return