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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
It even uses the @protected keyword but it doesn't help with the aforementioned issues like @protected elements are not hidden the in tab completion outside their scope and protected not being inherited (and can thus be called from outside the library).
See yaml.dart for an example.
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