decrement(key, amount = 1) public

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# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 80
        def decrement(key, amount = 1)
          if value = super
            local_cache.mute { local_cache.write(key, value.to_s) } if local_cache
            value
          else
            nil
          end
        end
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