<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dump_radl(radl, enter="\n", indent=" "):
 """Dump a RADL document."""


    indent = len(indent) if enter else None
    sort_keys = indent is not None
    separators = (",", ":" if indent is None else ": ")
    return json.dumps(radlToSimple(radl), indent=indent, sort_keys=sort_keys, separators=separators)