/**
 * @module @nhtio/adk/batteries/vector/vector_store_constructor
 */
import type { BaseVectorStore } from "./contract";
import type { BaseVectorStoreOptions } from "./types";
/**
 * Constructor signature for any {@link BaseVectorStore} adapter (the class itself or a subclass).
 *
 * @remarks
 * Re-declared at the contract level so the factory's `client` resolver can recognise a valid
 * adapter constructor without value-importing {@link BaseVectorStore} into modules where that
 * would be awkward, mirroring `SpooledArtifactConstructorLike`.
 */
export type VectorStoreConstructorLike<O extends BaseVectorStoreOptions = BaseVectorStoreOptions> = new (options: O) => BaseVectorStore;
/**
 * Validator schema for a {@link VectorStoreConstructorLike} value.
 *
 * @remarks
 * Invoked at validate-time, so inspecting the constructor's prototype is safe. The check is
 * duck-typed: the value must be a function whose `prototype` carries every canonical adapter
 * instance method. This mirrors `spooledArtifactConstructorSchema`'s cross-realm-safe
 * pattern — `instanceof BaseVectorStore` would be tighter but would couple this contract to the
 * class value and reject structurally-valid (e.g. cross-realm) adapters.
 */
export declare const vectorStoreConstructorSchema: import("@nhtio/validation").AnySchema<any>;
/**
 * Returns `true` if `value` is a constructor whose prototype carries every canonical
 * {@link BaseVectorStore} instance method. Duck-typed; does not use `instanceof`.
 */
export declare const implementsVectorStoreConstructor: (value: unknown) => value is VectorStoreConstructorLike;