public Boolean lookupPropertyBool(String property, Query query, boolean defaultValue) {
        String propertyWithPrefix = this.propertyPrefix + "." + property;
        return query.properties().getBoolean(propertyWithPrefix, defaultValue);
    }
Base class for LLM searchers. Provides utilities for calling LLMs and handling properties.

@author lesters
container-search/src/main/java/ai/vespa/search/llm/LLMSearcher.java