in src/main/java/com/spotify/bigtable/read/ReadCells.java [219:225]
public MultiCellT endTimestampMicros(final long endTimestampMicros) {
final TimestampRange tsRange = TimestampRange.newBuilder()
.setEndTimestampMicros(endTimestampMicros)
.build();
addRowFilter(RowFilter.newBuilder().setTimestampRangeFilter(tsRange));
return multiCell();
}