implementation FileObserver and remove time delay
Description
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Type of change
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Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Breaking change (fix or feature that would cause existing functionality to not work as expected) -
This change requires a documentation update
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How has this been tested?
Checklist:
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My code follows the style guidelines of this project -
I have performed a self-review of my own code -
I have commented my code, particularly in hard-to-understand areas -
I have made corresponding changes to the documentation -
New and existing unit tests pass locally with my changes -
Any dependent changes have been merged and published in downstream modules