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licenses= 

        # Gem::Specification.licenses=

(from ruby core)
### Implementation from Specification
---
    licenses=(licenses)

---

The license(s) for the library.

Each license must be a short name, no more than 64 characters.

This should just be the name of your license. The full text of the
license should be inside of the gem when you build it.

See #license= for more discussion

Usage:
    spec.licenses = ['MIT', 'GPL-2.0']

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