| GenericDraweeHierarchy | A SettableDraweeHierarchy that displays placeholder image until the actual image is set. |
| GenericDraweeHierarchyBuilder | Class to construct a GenericDraweeHierarchy. |
| GenericDraweeHierarchyInflater | Inflater for the GenericDraweeHierarchy. |
| RootDrawable | The root drawable of a DraweeHierarchy. |
| RoundingParams | Class that encapsulates rounding parameters. |
| WrappingUtils | A class that contains helper methods for wrapping and rounding. |