public Map<Map<String, ?>, Map<String, ?>> toMap() {
        Map<Map<String, ?>, Map<String, ?>> partitionOffsetMap = new HashMap<>();
        for (ConnectorOffset offset : offsets) {
            partitionOffsetMap.put(offset.partition(), offset.offset());
        }
        return partitionOffsetMap;
    }
@Test
    public void testConnectorOffsetsToMap() {
        // Using arbitrary partition and offset formats here to demonstrate that source connector offsets don't
        // follow a standard pattern
        Map<String, Object> partition1 = new HashMap<>();
        partition1.put("partitionKey1", "partitionValue");
        partition1.put("k", 123);
        Map<String, Object> offset1 = new HashMap<>();
        offset1.put("offset", 3.14);
        ConnectorOffset connectorOffset1 = new ConnectorOffset(partition1, offset1);

        Map<String, Object> partition2 = new HashMap<>();
        partition2.put("partitionKey1", true);
        Map<String, Object> offset2 = new HashMap<>();
        offset2.put("offset", new byte[]{0x00, 0x1A});
        ConnectorOffset connectorOffset2 = new ConnectorOffset(partition2, offset2);

        ConnectorOffsets connectorOffsets = new ConnectorOffsets(Arrays.asList(connectorOffset1, connectorOffset2));
        Map<Map<String, ?>, Map<String, ?>> connectorOffsetsMap = connectorOffsets.toMap();
        assertEquals(2, connectorOffsetsMap.size());
        assertEquals(offset1, connectorOffsetsMap.get(partition1));
        assertEquals(offset2, connectorOffsetsMap.get(partition2));
    }