VROOM.solve

You're seeing just the function solve, go back to VROOM module for more information.
Link to this function

solve(vehicles, shipments, jobs, options \\ %{})

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Specs

solve([Vehicles.t()], [Shipments.t()], [Job.t()], map()) :: map()

Calls the VROOM API and get the computed solution.

The computed solution follows the VROOM output.

For more info, check the output section in the docs.