apache / apache/beam

There are no examples or tests about how to use typehints with TaggedOutput

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bug examples P3 python
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Java
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Description

There are no examples or tests about how to use typehints with TaggedOutput.
(how do typehints look like when there are multiple outputs?)

Imported from Jira [BEAM-3280](https://issues.apache.org/jira/browse/BEAM-3280). Original Jira may contain additional context.
Reported by: dmho.

Contributor guide

Open the contributing guide

Research direction

Start by examining Beam's Python usage of TaggedOutput and typehints, focusing on the multiple-output case described in the issue. Add examples or tests that show the expected typehint syntax, and confirm they make the behavior clear for users; the linked Jira issue may contain additional context.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
documentation, testing
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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