/**
 * Vector Database Enums
 *
 * Enumerations for vector database types and operations.
 */
/**
 * Supported vector database types
 */
export declare enum VectorDBType {
    /** Pinecone - Managed vector database */
    PINECONE = "pinecone",
    /** Qdrant - Open-source vector search engine */
    QDRANT = "qdrant",
    /** Weaviate - AI-native vector database */
    WEAVIATE = "weaviate",
    /** AWS OpenSearch / Elasticsearch-compatible vector search */
    OPENSEARCH = "opensearch",
    /** Azure AI Search */
    AZURE_SEARCH = "azure-search",
    /** GCP Vertex AI Vector Search */
    VERTEX_VECTOR_SEARCH = "vertex-vector-search",
    /** ChromaDB - Open-source embedding database */
    CHROMA = "chroma",
    /** Milvus - Open-source vector database */
    MILVUS = "milvus",
    /** pgvector - PostgreSQL extension for vectors */
    PGVECTOR = "pgvector",
    /** In-memory vector store (for development/testing) */
    MEMORY = "memory"
}
/**
 * Distance metric types for similarity search
 */
export declare enum DistanceMetric {
    /** Cosine similarity (angle between vectors) */
    COSINE = "cosine",
    /** Euclidean distance (L2 norm) */
    EUCLIDEAN = "euclidean",
    /** Dot product (inner product) */
    DOT_PRODUCT = "dotproduct",
    /** Manhattan distance (L1 norm) */
    MANHATTAN = "manhattan",
    /** Hamming distance (for binary vectors) */
    HAMMING = "hamming"
}
/**
 * Index types for vector databases
 */
export declare enum VectorIndexType {
    /** Flat index (exact search) */
    FLAT = "flat",
    /** IVF (Inverted File Index) */
    IVF = "ivf",
    /** HNSW (Hierarchical Navigable Small World) */
    HNSW = "hnsw",
    /** Product Quantization */
    PQ = "pq",
    /** IVF with Product Quantization */
    IVF_PQ = "ivf_pq",
    /** Annoy (Approximate Nearest Neighbors Oh Yeah) */
    ANNOY = "annoy"
}
/**
 * Vector error types
 */
export declare enum VectorErrorType {
    /** Connection error */
    CONNECTION_ERROR = "connection_error",
    /** Configuration error */
    CONFIGURATION_ERROR = "configuration_error",
    /** Authentication error */
    AUTHENTICATION_ERROR = "authentication_error",
    /** Collection not found */
    COLLECTION_NOT_FOUND = "collection_not_found",
    /** Vector not found */
    VECTOR_NOT_FOUND = "vector_not_found",
    /** Dimension mismatch */
    DIMENSION_MISMATCH = "dimension_mismatch",
    /** Invalid operation */
    INVALID_OPERATION = "invalid_operation",
    /** Rate limit exceeded */
    RATE_LIMIT_ERROR = "rate_limit_error",
    /** Timeout error */
    TIMEOUT_ERROR = "timeout_error",
    /** Unknown error */
    UNKNOWN_ERROR = "unknown_error"
}
/**
 * Vector database features
 */
export declare enum VectorFeature {
    /** Supports metadata filtering */
    METADATA_FILTERING = "metadata_filtering",
    /** Supports namespace/partition */
    NAMESPACES = "namespaces",
    /** Supports hybrid search (vector + keyword) */
    HYBRID_SEARCH = "hybrid_search",
    /** Supports batch operations */
    BATCH_OPERATIONS = "batch_operations",
    /** Supports index management */
    INDEX_MANAGEMENT = "index_management",
    /** Supports vector updates */
    VECTOR_UPDATES = "vector_updates",
    /** Supports sparse vectors */
    SPARSE_VECTORS = "sparse_vectors",
    /** Supports multi-vector queries */
    MULTI_VECTOR = "multi_vector",
    /** Supports aggregations */
    AGGREGATIONS = "aggregations"
}