global refactor

src/ElasticSearch/Config/BaseConfiguration.php

src/ElasticSearch/Config/Mapping/ProductMapping.php

src/ElasticSearch/Config/MappingValidator.php

src/ElasticSearch/Configuration.php

src/ElasticSearch/Converter/CriteriaToEsRequest.php

...asticSearch/Converter/Request/Aggregation/Aggregation.php

...earch/Converter/Request/Aggregation/FilterAggregation.php

...cSearch/Converter/Request/Aggregation/FullAggregation.php

...h/Converter/Request/Collection/NestedFilterCollection.php

...Converter/Request/Collection/PropertyFilterCollection.php

...lasticSearch/Converter/Request/CriteriaRequestBuilder.php

src/ElasticSearch/Converter/Request/CriteriaToRequest.php

...icSearch/Converter/Request/Filter/AbstractFilterQuery.php

src/ElasticSearch/Converter/Request/Filter/NestedFilter.php

...ElasticSearch/Converter/Request/Filter/PropertyFilter.php

...earch/Converter/Request/Filter/Type/KeywordFilterType.php

...cSearch/Converter/Request/Filter/Type/RangeFilterType.php

src/ElasticSearch/Converter/Request/FilterQuery.php

src/ElasticSearch/Converter/Result/EsResponseToResult.php

src/ElasticSearch/Criteria/Criteria.php