def MigrateForward(self, client, message, callback):
    message.dict['headers'] = dict(version=Message.ADD_HEADERS_VERSION)
    callback()
Convert Graphviz notation in file infile to
dataset/ETHPy150Open viewfinderco/viewfinder/backend/base/message.py/AddHeadersMigrator.MigrateForward--crossover with--dataset/ETHPy150Open FooBarWidget/mizuho/asciidoc/filters/graphviz/graphviz2png.py/Application.graphviz2png