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IFileSystemCopyFilesAsyncOptions.alreadyExistsBehavior property
Specifies what to do if a destination path already exists.
Signature:
alreadyExistsBehavior?: AlreadyExistsBehavior;
Remarks
This setting is applied individually for each file being copied. For example, AlreadyExistsBehavior.Overwrite
will not recursively delete a folder whose path corresponds to an individual file that is being copied to that location.