This allows us to call params with the more familiar Ruby
case/capitalization. For instance, defining the following:
param :imageRef, alias: :image_ref
in a request file makes the following possible:
session.compute_service.request :create_server do |params|
params[:imageRef] = 'something'
end
session.compute_service.request :create_server do |params|
params.image_ref = 'something'
end
NOTE: At this point, params can only be called via method
calls and not via the [] accessor.
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