| Name | Type | Package | Detail |
| JsonBase64VertexFormat | Class | io.formats | Detail |
| JsonBase64VertexInputFormat | Class | io.formats | Detail |
| JsonBase64VertexOutputFormat | Class | io.formats | Detail |
| JsonLongDoubleFloatDoubleVertexInputFormat | Class | io.formats | Detail |
| JsonLongDoubleFloatDoubleVertexOutputFormat | Class | io.formats | Detail |
| JsonStringConfOption | Class | giraph.conf | Detail |
