array',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'post_types'     => array(
					'description' => __( 'An array of post types that the pattern is restricted to be used with.' ),
					'type'        => 'array',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'template_types' => array(
					'description' => __( 'An array of template types where the pattern fits.' ),
					'type'        => 'array',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'source'         => array(
					'description' => __( 'Where the pattern comes from e.g. core' ),
					'type'        => 'string',
					'readonly'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
					'enum'        => array(
						'core',
						'plugin',
						'theme',
						'pattern-directory/core',
						'pattern-directory/theme',
						'pattern-directory/featured',
					),
				),
			),
		);

		$this->schema = $schema;

		return $this->add_additional_fields_schema( $this->schema );
	}
}
<br />
<b>Fatal error</b>:  require(): Failed opening required '/var/www/html/dportilho.com.br/web/wp-includes/fonts/class-wp-font-collection.php' (include_path='.:/usr/share/pear') in <b>/var/www/html/dportilho.com.br/web/wp-settings.php</b> on line <b>396</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /var/www/html/dportilho.com.br/web/wp-includes/l10n.php:856
Stack trace:
#0 /var/www/html/dportilho.com.br/web/wp-includes/l10n.php(959): load_textdomain('default', '/var/www/html/d...', 'pt_BR')
#1 /var/www/html/dportilho.com.br/web/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/var/www/html/dportilho.com.br/web/wp-includes/l10n.php</b> on line <b>856</b><br />