import { Collection, Filter } from "mongodb";
import { ModelDoc, ModelType } from "./models.types";
/** Raw typed handle to the `models` collection. */
export declare const getModelsCollection: () => Collection<ModelDoc>;
/** Find models by an arbitrary filter. */
export declare const findModels: (filter?: Filter<ModelDoc>) => Promise<ModelDoc[]>;
/**
 * Get a single model by its `modelId`, optionally scoped to a `type`.
 * @param modelId e.g. "deepgram-stt-phonecall"
 * @param type optional narrowing filter, since `modelId` isn't guaranteed unique across types
 */
export declare const getModelByModelId: (modelId: string, type?: ModelType) => Promise<ModelDoc | null>;
/**
 * Token context window for a model (`configDefaults.contextWindow`).
 * `null` when the model is missing or the value is not a positive number.
 */
export declare const getModelContextWindow: (modelId: string) => Promise<number | null>;
/**
 * Get all models for a given `provider`, optionally scoped to a `type`.
 */
export declare const getModelsByProvider: (provider: string, type?: ModelType) => Promise<ModelDoc[]>;
/** Get all models of a given `type`. */
export declare const getModelsByType: (type: ModelType) => Promise<ModelDoc[]>;
/** Get all models of a given `type` where `available` is true. */
export declare const getAvailableModelsByType: (type: ModelType) => Promise<ModelDoc[]>;
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