feat: create multi_model wrapper and kCollaborator

[nubs01]

Pull Request Checklist

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• Read contributing guidelines.
• Check if my changes are consistent with the guidelines.
• Changes are consistent with the Coding Style.
• Run Unit Tests.

Checklist for Pull Request

• Describe what this PR purpose. For example, for new features describe what problem this PR solves. If there is JIRA task, please include JIRA link.
• When there are more than one tasks in the PR, use to do list in github mark down.
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Running unit tests

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   nose2