↓ 4 callersMethodgetNthUncommittedOffsetAfterCommittedOffsetGets the offset of the nth emitted message after the committed offset. Example: If the committed offset is 0 and offsets 1, 2, 8, 10 have been emitted
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/internal/OffsetManager.java:82