Nerves.Utils.WSL.get_temp_file_location

You're seeing just the function get_temp_file_location, go back to Nerves.Utils.WSL module for more information.
Link to this function

get_temp_file_location(file)

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Specs

get_temp_file_location(String.t()) :: String.t()

Returns a path to the base file name a temporary location in Windows