class RecordBatchSizer {

public Map<String, ColumnSize> columns() { return columnSizes; public Map<String, ColumnSize> columns() { return columnSizes; }

public Map<String, ColumnSize> columns() { return columnSizes; public  RecordBatchSizer(RecordBatch batch);
public Map<String, ColumnSize> columns() { return columnSizes; public  RecordBatchSizer(VectorAccessible va);
public Map<String, ColumnSize> columns() { return columnSizes; public  RecordBatchSizer(VectorAccessible va, SelectionVector2 sv2);

}