fn new_json_stream(
_ctx: &CreateScanPlanContext,
config: &ScanPlanConfig<'_>,
format: &JsonFormat,
) -> Result<SendableRecordBatchStream>
fn new_json_stream(
_ctx: &CreateScanPlanContext,
config: &ScanPlanConfig<'_>,
format: &JsonFormat,
) -> Result<SendableRecordBatchStream>