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What does this PR do?
A cosmetic improvement: some @Nullable and @NonNull annotations are updated to better reflect whether certain methods can or cannot return null values.
This helps to understand the code better and avoid NullPointerException.
Description of the Change
Alternate Designs
Possible Drawbacks
Verification Process
Additional Notes
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Review checklist (to be filled by reviewers)
[ ] Feature or bug fix MUST have appropriate tests (unit, integration, etc...)
[ ] PR title must be written as a CHANGELOG entry (see why)
[ ] Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
[ ] PR must have one changelog/ label attached. If applicable it should have the backward-incompatible label attached.
[ ] PR should not have do-not-merge/ label attached.
[ ] If Applicable, issue must have kind/ and severity/ labels attached at least.
Requirements for Contributing to this repository
What does this PR do?
A cosmetic improvement: some
@Nullableand@NonNullannotations are updated to better reflect whether certain methods can or cannot returnnullvalues. This helps to understand the code better and avoidNullPointerException.Description of the Change
Alternate Designs
Possible Drawbacks
Verification Process
Additional Notes
Release Notes
Review checklist (to be filled by reviewers)
changelog/label attached. If applicable it should have thebackward-incompatiblelabel attached.do-not-merge/label attached.kind/andseverity/labels attached at least.