}

            @Override
            public SearchRequestType getType() {
                return null;
            }

            @Override
            public String getSimilarDocHash() {
                return null;
            }

            @Override
            public HighlightInfo getHighlightInfo() {
                return new HighlightInfo();
            }

            return null;
        }

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.SEARCH;
        }

        @Override
        public String getSimilarDocHash() {
            return null;
        }

        @Override
        public java.util.Locale getLocale() {
            return java.util.Locale.ROOT;
        }
    }

    // Mock classes

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.SUGGEST;
        }

        @Override
        public String getSimilarDocHash() {
            throw new UnsupportedOperationException("getSimilarDocHash() is not supported in this implementation");
        }

        @Override
        public HighlightInfo getHighlightInfo() {
            return new HighlightInfo();

            return null;
        }

        @Override
        public SearchRequestType getType() {
            return null;
        }

        @Override
        public String getSimilarDocHash() {
            return null;
        }
    }

            return locale;
        }

        @Override
        public SearchRequestType getType() {
            return type;
        }

        @Override
        public String getSimilarDocHash() {
            return similarDocHash;
        }
    }

    // Mock HttpServletRequest for testing
    private static class MockHttpServletRequest implements HttpServletRequest {

            return locale;
        }

        @Override
        public SearchRequestType getType() {
            return type;
        }

        @Override
        public String getSimilarDocHash() {
            return null;
        }
    }

        }

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.JSON;
        }

        @Override
        public String getSimilarDocHash() {
            return null;
        }
    }