The IngestFeedPreprocessingKind enumerated list includes a couple of settings.

Table: IngestFeedPreprocessingKind

SplitAwsRecordsboolean  Interpret the input as AWS JSON record format and emit each record as an event.
SplitNewlineboolean  Interpret the input as newline-delimited and emit each line as an event.

[a] Some arguments may be required, as indicated in this column. For some fields, this column indicates that a result will always be returned for it.