func google.golang.org/protobuf/encoding/protojson.parseDuration
2 uses
google.golang.org/protobuf/encoding/protojson (current package)
well_known_types.go#L635: secs, nanos, ok := parseDuration(tok.ParsedString())
well_known_types.go#L660: func parseDuration(input string) (int64, int32, bool) {
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