Filter: time range, e.g. 1990 to 1995 not sync

[dirki-boy]

How can I set a time range for files not to be synced (or to be synced), e.g. I want all files not to be synced which are created (or modified) in the years 1800 to 1950 (I have set that date manually) or 2005 to 2010?

[dirk-o]

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