These parameters are only valid for a `file` sink. - `file_name` - Specifies the file name for the sink. - `path` - Optionally specifies the file path for the sink. - `rotate_bytes` - Optionally specifies the number of bytes that should trigger rotation of a file sink. - `rotate_duration` - Optionally specifies how often a file sink should be rotated. - `rotate_max_files` - Optionally specifies how many historical rotated files should be kept for a file sink.