packages/flutter/lib/src/material/tooltip.dart · 9c04aa15b3ff8cf5ff8e0585e21cace59dca6d1e · abdullh.alsoleman / Front-End · GitLab

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Use the phrase "must not be null" everywhere instead of "cannot be null" (#11683) · 4ce8c94e
Jacob Richman authored Aug 18, 2017
```
when describing non-nullable method arguments.
```
4ce8c94e

tooltip.dart 9.45 KB

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