ifModifiedSince property

DateTime ifModifiedSince

read / write

Gets and sets the "if-modified-since" date. The value of this property will reflect the "if-modified-since" header.

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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-io/HttpHeaders/ifModifiedSince.html