public UrlStringBuilder setParameters(String namespace, Map<String, List<String>> parameters) {
        for (final String name : parameters.keySet()) {
            Validate.notNull(name, "parameter map cannot contain any null keys");
        }

        this.parameters.clear();
        this.addParameters(namespace, parameters);
        return this;
    }
public UrlStringBuilder setParameters ( String namespace , Map < String , List < String > > parameters ) { for ( final String name : parameters . keySet ( ) ) { Validate . notNull ( name , "parameter map cannot contain any null keys" ) ; } this . parameters . clear ( ) ; this . addParameters ( namespace , parameters ) ; return this ; }
Removes all existing parameters and sets the contents of the specified Map as the parameters.

@param namespace String to prepend to each parameter name in the Map
@param parameters Map of parameters to set
@return this