RedisVL API# RedisVL Schema IndexSchema Defining Fields Supported Field Types and Attributes Search Index Classes SearchIndex AsyncSearchIndex Query VectorQuery RangeQuery FilterQuery CountQuery Filter FilterExpression Tag Text Num Geo GeoRadius Vectorizers HFTextVectorizer OpenAITextVectorizer VertexAITextVectorizer CohereTextVectorizer Rerankers CohereReranker LLMCache SemanticCache