private function settings_sub_tabs() {
		$subtabs = [ 'github_updater' => esc_html__( 'GitHub Updater', 'github-updater' ) ];
		$gits    = $this->get_running_git_servers();
		$gits[]  = in_array( 'gitlabce', $gits, true ) ? 'gitlab' : null;
		$gits    = array_unique( $gits );

		$git_subtab  = [];
		$ghu_subtabs = [];

		/**
		 * Filter subtabs to be able to add subtab from git API class.
		 *
		 * @since 8.0.0
		 *
		 * @param array $ghu_subtabs Array of added subtabs.
		 *
		 * @return array $subtabs Array of subtabs.
		 */
		$ghu_subtabs = apply_filters( 'github_updater_add_settings_subtabs', $ghu_subtabs );

		foreach ( $gits as $git ) {
			if ( array_key_exists( $git, $ghu_subtabs ) ) {
				$git_subtab[ $git ] = $ghu_subtabs[ $git ];
			}
		}
		$subtabs = array_merge( $subtabs, $git_subtab );

		return $subtabs;
	}