A JsonFileFormat is a FileFormat subclass which holds information about how to
read and parse the files included in a JSON Dataset.
Factory
JsonFileFormat$create() can take options in the form of lists passed through as parse_options,
or read_options parameters.
Available read_options parameters:
- use_threads: Whether to use the global CPU thread pool. Default- TRUE. If- FALSE, JSON input must end with an empty line.
- block_size: Block size we request from the IO layer; also determines size of chunks when- use_threadsis- TRUE.
Available parse_options parameters:
- newlines_in_values:Logical: are values allowed to contain CR (- 0x0dor- \r) and LF (- 0x0aor- \n) characters? (default- FALSE)