public List<String> getParameters(String name) {
        return parameters.getOrDefault(name, Collections.emptyList());
    }
Returns an unmodifiable List of all values of the HTTP parameter having
the given name. Parameter names are case-sensitive. If no such parameter
was present, the returned List will be empty.

@param name
    The name of the parameter to retrieve. This name is case-sensitive.

@return
    An unmodifiable List of all values of the HTTP parameter with the
    given name, or an empty List if there is no such parameter.
guacamole-ext/src/main/java/org/apache/guacamole/net/RequestDetails.java