| Name | Description | Type | Package | Framework |
| BytesHelper | Class | org.apache.pig.data.utils | Apache Pig | |
| MethodHelper | Class | org.apache.pig.data.utils | Apache Pig | |
| SedesHelper | Class | org.apache.pig.data.utils | Apache Pig | |
| SedesHelper .Varint | Encodes signed and unsigned values using a common variable-length scheme, found for example in | Class | org.apache.pig.data.utils.SedesHelper | Apache Pig |
| StructuresHelper | Class | org.apache.pig.data.utils | Apache Pig | |
| StructuresHelper .Pair | This is a helper class which makes it easy to have pairs of values, and to use them as keys and values in Maps. | Class | org.apache.pig.data.utils.StructuresHelper | Apache Pig |
| StructuresHelper .SchemaKey | This encapsulates a Schema and allows it to be used in such a way that any aliases are ignored in equality. | Class | org.apache.pig.data.utils.StructuresHelper | Apache Pig |
| StructuresHelper .Triple | Class | org.apache.pig.data.utils.StructuresHelper | Apache Pig | |