RowKeyComponent.newBuilder().setName("astring").setType(ComponentType.STRING).build(),
RowKeyComponent.newBuilder().setName("anint").setType(ComponentType.INTEGER).build(),
RowKeyComponent.newBuilder().setName("along").setType(ComponentType.LONG).build());
// build the row key format
final RowKeyFormat2 format = RowKeyFormat2.newBuilder().setEncoding(RowKeyEncoding.FORMATTED)
.setSalt(HashSpec.newBuilder().setSuppressKeyMaterialization(true).build())
.setRangeScanStartIndex(2)
.setComponents(components)
.build();