a debug message.

  * If the wagon is bound to "file://" then:

    Retrieve the file or base-url file to be "downloaded".

    * If the file (or more usefully, the base-url file) exists, proceed.

    * If the file (or base-url file) doesn't exist, assume that this location
      is part of a file-share. Ignore the request and print a debug message
      as above.

    (Exception: if the Program itself is interactive but does not
    normally print such an announcement, your work based on the Program
    is not required to print an announcement.)

These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program, and
can be reasonably considered independent and separate works in

            append("@")

            if (classId != null) {
                append("R|")
                renderFqName(classId.asSingleFqName(), printer)
                append("|")
            } else {
                print("<ERROR TYPE REF>")
            }

            printCollection(namedValues, separator = ", ", prefix = "(", postfix = ")") { argument ->
                append(argument.name.render())
                append(" = ")