export type QueryResponseFormat = 'json' | 'raw-flatbuffer-stream';
export type QueryResponseEncoding = 'identity';
export interface ResponseCacheKeyInput {
    schemaName?: string;
    schemaVersion?: string | number;
    sql: string;
    params?: readonly unknown[] | Record<string, unknown>;
    format?: QueryResponseFormat;
    publishEventKey?: string;
    projection?: readonly string[];
    filters?: Record<string, unknown>;
    encoding?: QueryResponseEncoding;
}
export interface QueryResponseArtifactOptions extends ResponseCacheKeyInput {
    cacheKey?: string;
    chunkBytes?: number;
    createdAt?: string;
}
export interface QueryResponseArtifactChunk {
    index: number;
    offset: number;
    byteLength: number;
    contentHash: string;
    etag: string;
}
export interface QueryResponseArtifactMetadata {
    cacheKey: string;
    contentHash: string;
    etag: string;
    byteLength: number;
    rowCount: number;
    columnCount: number;
    format: QueryResponseFormat;
    encoding: QueryResponseEncoding;
    createdAt: string;
    chunkBytes: number;
    chunks: QueryResponseArtifactChunk[];
    schemaName?: string;
    schemaVersion?: string | number;
    publishEventKey?: string;
    projection?: readonly string[];
}
export interface QueryResponseArtifact {
    metadata: QueryResponseArtifactMetadata;
    bytes: Uint8Array;
}
export interface MemoryResponseArtifactCacheOptions {
    maxEntries?: number;
    maxBytes?: number;
}
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