(Since version 2.6) Use addFormSnippet instead.
(Since version 2.6) Use appendFieldTransform with CssSels instead.
(Since version 2.6) Use editFormSnippet instead.
(Since version 2.6) Use fieldMapperTransforms with CssSels instead.
(Since version 2.6) Use fieldMapperTransforms with CssSels instead.
(Since version 2.6) Use fieldTransforms with CssSels instead.
(Since version 2.6) Use formSnippet instead.
(Since version 2.6) Use prependFieldTransform with CssSels instead.
(Since version 2.6) Use viewTransform instead.