web/src/main/java/org/apache/commons/chain2/web/servlet/ServletParamMap.java [76:92]:
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    @Override
    public int hashCode() {
        return (request.hashCode());
    }

    public boolean isEmpty() {
        return (size() < 1);
    }

    public Set<String> keySet() {
        Set<String> set = new HashSet<String>();
        @SuppressWarnings( "unchecked" ) // it is known that Servlet request parameter names are String
        Enumeration<String> keys = request.getParameterNames();
        while (keys.hasMoreElements()) {
            set.add(keys.nextElement());
        }
        return (set);
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web/src/main/java/org/apache/commons/chain2/web/servlet/ServletParamValuesMap.java [76:92]:
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    @Override
    public int hashCode() {
        return (request.hashCode());
    }

    public boolean isEmpty() {
        return (size() < 1);
    }

    public Set<String> keySet() {
        Set<String> set = new HashSet<String>();
        @SuppressWarnings( "unchecked" ) // it is known that header names are String
        Enumeration<String> keys = request.getParameterNames();
        while (keys.hasMoreElements()) {
            set.add(keys.nextElement());
        }
        return (set);
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