public function setFilePath($filePath = null) {
		$this->filePath = $filePath !== null ? (string) $filePath : null;

		return $this;
	}
public function setFilePath($filePath = null) {
		$this->filePath = $filePath !== null ? (string) $filePath : null;

		return $this;
	}
public function setFilePath ( $ filePath = null ) { $ this -> filePath = $ filePath !== null ? ( string ) $ filePath : null ; return $ this ; }
Sets the file path

@param string|null $filePath the path to the file where the database can be accessed on disk, e.g. `/opt/databases/mydb.ext`
@return static this instance for chaining
Sets the file path