Wrong

public Iterable getObjectsIterable() { ... }
public Object[] getObjectsArray() { ... }
public Iterable<Byte> getBytesIterable() { ... }
public Byte[] getBytesArray() { ... }

Correct

Table Rows Iterable
public Iterable<TableRow> getTableRowsIterable() { ... }
Table Rows Array
public TableRow[] getTableRowsArray() { ... }