@Override
    public CompletionStage<Result> apply(final Function<Http.RequestHeader, CompletionStage<Result>> next,
                                         final Http.RequestHeader requestHeader) {
    """
	If a constraint is defined for a given route, test that constraint before allowing the request to proceed.
	
	@param next          the next step in the filter chain
	@param requestHeader the request header
	@return a future for the result
    """
        final HandlerDef handlerDef = requestHeader.attrs().get(Router.Attrs.HANDLER_DEF);
        final List<String> deadboltModifierTags = handlerDef.getModifiers().stream().filter(mt -> mt != null && mt.startsWith("deadbolt:")).collect(Collectors.toList());
        return processModifierTags(deadboltModifierTags, 0, requestHeader, next);
    }
@Override
    public CompletionStage<Result> apply(final Function<Http.RequestHeader, CompletionStage<Result>> next,
                                         final Http.RequestHeader requestHeader)
    {
        final HandlerDef handlerDef = requestHeader.attrs().get(Router.Attrs.HANDLER_DEF);
        final List<String> deadboltModifierTags = handlerDef.getModifiers().stream().filter(mt -> mt != null && mt.startsWith("deadbolt:")).collect(Collectors.toList());
        return processModifierTags(deadboltModifierTags, 0, requestHeader, next);
    }
@ Override public CompletionStage < Result > apply ( final Function < Http . RequestHeader , CompletionStage < Result > > next , final Http . RequestHeader requestHeader ) { final HandlerDef handlerDef = requestHeader . attrs ( ) . get ( Router . Attrs . HANDLER_DEF ) ; final List < String > deadboltModifierTags = handlerDef . getModifiers ( ) . stream ( ) . filter ( mt -> mt != null && mt . startsWith ( "deadbolt:" ) ) . collect ( Collectors . toList ( ) ) ; return processModifierTags ( deadboltModifierTags , 0 , requestHeader , next ) ; }
If a constraint is defined for a given route, test that constraint before allowing the request to proceed.

@param next          the next step in the filter chain
@param requestHeader the request header
@return a future for the result
If a constraint is defined for a given route test that constraint before allowing the request to proceed .