WP_Theme_JSON::do_opt_in_into_settings() WordPress Method

	protected static function do_opt_in_into_settings( &$context ) {
		foreach ( static::APPEARANCE_TOOLS_OPT_INS as $path ) {
			// Use "unset prop" as a marker instead of "null" because
			// "null" can be a valid value for some props (e.g. blockGap).
			if ( 'unset prop' === _wp_array_get( $context, $path, 'unset prop' ) ) {
				_wp_array_set( $context, $path, true );
			}
		}

		unset( $context['appearanceTools'] );
	}