FormElements offered by geolocation

        $elements['geolocation_map_input'] = [
          '#type' => 'geolocation_google_map_input',
          '#title' => $this->t('Simple Location Input'),
          '#latitude' => 40.6700,
          '#longitude' => -73.9400,
          '#height' => 120,
        ];
        

        $form['geolocation_map_input_complex'] = [
          '#type' => 'geolocation_google_map_input',
          '#title' => $this->t('Complex Location Input'),
          '#height' => 320,
          '#controls' => TRUE,
          '#max_locations' => 2,
          '#locations' => [
            [
              'latitude' => 6.8,
              'longitude' => -1.616667,
            ],
            [
              'latitude' => 6.6,
              'longitude' => -1.616667,
            ],
          ],
        ];