[xblock.v1]
pb-answer = problem_builder.answer:AnswerBlock
pb-answer-recap = problem_builder.answer:AnswerRecapBlock
pb-choice = problem_builder.choice:ChoiceBlock
pb-column = problem_builder.table:MentoringTableColumn
pb-completion = problem_builder.completion:CompletionBlock
pb-dashboard = problem_builder.dashboard:DashboardBlock
pb-data-export = problem_builder.instructor_tool:InstructorToolBlock
pb-instructor-tool = problem_builder.instructor_tool:InstructorToolBlock
pb-mcq = problem_builder.mcq:MCQBlock
pb-message = problem_builder.message:MentoringMessageBlock
pb-mrq = problem_builder.mrq:MRQBlock
pb-rating = problem_builder.mcq:RatingBlock
pb-slider = problem_builder.slider:SliderBlock
pb-swipe = problem_builder.swipe:SwipeBlock
pb-table = problem_builder.table:MentoringTableBlock
pb-tip = problem_builder.tip:TipBlock
problem-builder = problem_builder.mentoring:MentoringBlock
sb-conditional-message = problem_builder.step_review:ConditionalMessageBlock
sb-plot = problem_builder.plot:PlotBlock
sb-plot-overlay = problem_builder.plot:PlotOverlayBlock
sb-review-per-question-feedback = problem_builder.step_review:PerQuestionFeedbackBlock
sb-review-score = problem_builder.step_review:ScoreSummaryBlock
sb-review-step = problem_builder.step_review:ReviewStepBlock
sb-step = problem_builder.step:MentoringStepBlock
step-builder = problem_builder.mentoring:MentoringWithExplicitStepsBlock

