GoogleApi.ServiceControl.V2.Connection.options-exclamation-mark

You're seeing just the function options-exclamation-mark, go back to GoogleApi.ServiceControl.V2.Connection module for more information.
Link to this function

options!(client, url, opts)

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Specs

Perform a OPTIONS request.

See request!/1 or request!/2 for options definition.

options!("/users")
options!("/users", query: [scope: "admin"])
options!(client, "/users")
options!(client, "/users", query: [scope: "admin"])
options!(client, "/users", body: %{name: "Jon"})