sink
Creates and returns a Sink for the given path. The Sink can be used to write data to the file or directory represented by the specified path.
Return
A Sink instance for writing to the specified path.
Parameters
path
The path where the sink will be created, representing the file or directory target.
append
A boolean indicating whether to append to the file if it exists. Defaults to false, meaning the file will be overwritten if it exists.