lib/Site.php
public function getSupportedNamespaces() {
		if ( empty( $this->data->namespaces ) || ! is_array( $this->data->namespaces ) ) {
			return array();
		}

		return $this->data->namespaces;
	}
public function getSupportedNamespaces() {
		if ( empty( $this->data->namespaces ) || ! is_array( $this->data->namespaces ) ) {
			return array();
		}

		return $this->data->namespaces;
	}
Get namespaces supported by the site.

@return string[] List of namespaces supported by the site.