OptionalcolumnCallback invoked when writing is finished.
OptionaldelimiterThe field delimiter to write.
OptionalfalseString to use for boolean false values (default 'false').
OptionalincludeIndicates whether to write headers to csv.
OptionallineCharacter to use for separating lines,
Callback invoked for each CSV chunk.
OptionalnullString to use for null values.
OptionalrowsMaximum number of rows to write in each chunk (limits memory use).
OptionaltrueString to use for boolean true values (default 'true').
Column names to write in the header.