litho-processor/src/main/java/com/facebook/litho/specmodels/model/SpecModelImpl.java
litho-testing/src/main/java/com/facebook/litho/testing/specmodels/MockSpecModel.java

litho-processor/src/main/java/com/facebook/litho/specmodels/model/SimpleMethodParamModel.java
litho-testing/src/main/java/com/facebook/litho/testing/specmodels/MockMethodParamModel.java

litho-processor/src/main/java/com/facebook/litho/specmodels/model/LayoutSpecModel.java
litho-testing/src/main/java/com/facebook/litho/testing/specmodels/MockSpecModel.java