[#BloombergLP-ball-AsyncFileObserver-rotateOnTimeInterval-0e] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AsyncFileObserver.adoc[AsyncFileObserver]::rotateOnTimeInterval :relfileprefix: ../../../ :mrdocs: Same as the preceding overload, using the specified `startTime`. == Synopsis Declared in `<ball_asyncfileobserver.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void rotateOnTimeInterval( xref:BloombergLP/bdlt/DatetimeInterval.adoc[bdlt::DatetimeInterval] const& interval, xref:BloombergLP/bdlt/Datetime.adoc[bdlt::Datetime] const& startTime); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#