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Ian Hickson authoredAlso, refactor internal code to do the same. See https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#avoid-double-negatives-in-apis 
Also, refactor internal code to do the same. See https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#avoid-double-negatives-in-apis
HIAST - GitLab