createTempFilename function
Generates a temporary filename in pathToTempDir
or if inTempDir os not passed then in
the system temp directory.
The generated filename is is guaranteed to be globally unique.
This method does NOT create the file.
The temp file name will be uuid.tmp
unless you provide a suffix
in which
case the file name will be uuid.suffix
Implementation
String createTempFilename({String? suffix, String? pathToTempDir}) =>
core.createTempFilename(suffix: suffix, pathToTempDir: pathToTempDir);