Astra_AMP::astra_amp_init()

		public function astra_amp_init() {

			// bail if AMP endpoint is not detected.
			if ( ! astra_is_amp_endpoint() ) {
				return;
			}

			add_filter( 'astra_nav_toggle_data_attrs', array( $this, 'add_nav_toggle_attrs' ) );
			add_filter( 'astra_search_slide_toggle_data_attrs', array( $this, 'add_search_slide_toggle_attrs' ) );
			add_filter( 'astra_search_field_toggle_data_attrs', array( $this, 'add_search_field_toggle_attrs' ) );
			add_action( 'wp_footer', array( $this, 'render_amp_states' ) );
			add_filter( 'astra_attr_ast-main-header-bar-alignment', array( $this, 'nav_menu_wrapper' ) );
			add_filter( 'astra_attr_ast-menu-toggle', array( $this, 'menu_toggle_button' ), 20, 3 );
			add_filter( 'astra_theme_dynamic_css', array( $this, 'dynamic_css' ) );
			add_filter( 'astra_toggle_button_markup', array( $this, 'toggle_button_markup' ), 20, 2 );
			add_filter( 'astra_schema_body', array( $this, 'body_id' ) );
		}