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cogroup_by exemplifies using a cross-language cogroup by key transform from a test expansion service.

combine exemplifies using a cross-language combine per key transform from a test expansion service.

combine_globally exemplifies using a cross-language combine global transform from a test expansion service.

group_by exemplifies using a cross-language group by key transform from a test expansion service.

multi exemplifies using a cross-language transform with multiple inputs and outputs from a test expansion service.

partition exemplifies using a cross-language partition transform from a test expansion service.

wordcount exemplifies using a cross-language Count transform from a test expansion service to count words.