NewCommentRefactor is the constructor for the comment refactor.

NewNonGoFileRefactor is the constructor for the non go file refactor.

NewPackageRefactor is the constructor for the package import name refactor.

CommentRefactor is the to refactor the comments present in a source code file.

NonGoFileRefactor does refactor non-go files.

PackageRefactor is the to refactor the import package names present in a source code file.

Refactor is represents a change to be done in a source file.

Source holds the source file and list of refactors to be done on it.

RefactorSource has to be implmented by any source to act as an source code to be refactored.