The field delimiter to write.
String to use for boolean false values (default 'false').
Indicates whether to write headers to csv.
Character to use for separating lines,
String to use for null values.
Maximum number of rows to write in each chunk (limits memory use).
String to use for boolean true values (default 'true').
Callback invoked when writing is finished.
Callback invoked for each CSV chunk.
Column names to write in the header.