import { AnyDataModel } from '../dataModel/BaseDataModel';
import { ModelClass } from '../modelShared/BaseModelShared';
import { ModelInfo } from '../modelShared/modelInfo';
import { AnyModel } from './BaseModel';
/**
 * Checks if an object is a model instance.
 *
 * @param model
 * @returns
 */
export declare function isModel(model: unknown): model is AnyModel;
/**
 * Gets the model type name from a model snapshot.
 *
 * @param snapshot - The snapshot to get the model type from.
 * @returns The model type name if the snapshot is a model snapshot, `undefined` otherwise.
 */
export declare function getSnapshotModelType(snapshot: unknown): string | undefined;
/**
 * Gets the model ID from a model snapshot.
 *
 * This function extracts the model's unique identifier from a snapshot
 * by looking up the model class using `$modelType` and then reading
 * the value of the ID property (as declared with `idProp`).
 *
 * @param snapshot - A model snapshot (must have `$modelType`).
 * @returns The model ID if the snapshot has an ID property, or `undefined` if not.
 */
export declare function getSnapshotModelId(snapshot: unknown): string | undefined;
/**
 * Ensures the given model classes are referenced at runtime and already present in the model registry.
 *
 * This helper is mostly useful when your app primarily uses snapshots and your bundler/compiler
 * may elide otherwise-unused model imports.
 *
 * @param modelClasses Model and/or data model classes to keep as runtime references.
 */
export declare function registerModels(...modelClasses: Array<ModelClass<AnyModel> | ModelClass<AnyDataModel>>): void;
/**
 * Model type and ID information.
 */
export interface ModelTypeAndId {
    /**
     * The model type name (from `$modelType`).
     */
    modelType: string;
    /**
     * The model ID value, or `undefined` if the model has no ID property.
     */
    modelId: string | undefined;
    /**
     * The name of the property that holds the model ID (as declared with `idProp`),
     * or `undefined` if the model has no ID property.
     */
    modelIdPropertyName: string | undefined;
    /**
     * The model info (contains the model class and name).
     */
    modelInfo: ModelInfo;
}
/**
 * Gets the model type and ID from a model snapshot.
 *
 * The result includes:
 * - `modelType`: The model type name (from `$modelType`)
 * - `modelId`: The model ID value (or `undefined` if no ID property)
 * - `modelIdPropertyName`: The name of the property that holds the model ID (or `undefined` if no ID property)
 * - `modelInfo`: The model info (contains the model class and name)
 *
 * @param snapshot - A model snapshot (must have `$modelType`).
 * @returns The model type and ID info, or `undefined` if not a valid model snapshot.
 */
export declare function getSnapshotModelTypeAndId(snapshot: unknown): ModelTypeAndId | undefined;
/**
 * Gets the model type and ID from a Model or DataModel instance.
 *
 * The result includes:
 * - `modelType`: The model type name (from `$modelType`)
 * - `modelId`: The model ID value (or `undefined` if no ID property)
 * - `modelIdPropertyName`: The name of the property that holds the model ID (or `undefined` if no ID property)
 * - `modelInfo`: The model info (contains the model class and name)
 *
 * @param model - A Model or DataModel instance.
 * @returns The model type and ID info, or `undefined` if not a valid model.
 */
export declare function getModelTypeAndId(model: AnyModel | AnyDataModel): ModelTypeAndId | undefined;
/**
 * Gets the model type and ID from a Model instance, DataModel instance, or model snapshot.
 *
 * The result includes:
 * - `modelType`: The model type name (from `$modelType`)
 * - `modelId`: The model ID value (or `undefined` if no ID property)
 * - `modelIdPropertyName`: The name of the property that holds the model ID (or `undefined` if no ID property)
 * - `modelInfo`: The model info (contains the model class and name)
 *
 * @param value - A Model instance, DataModel instance, or model snapshot.
 * @returns The model type and ID info, or `undefined` if not a valid model or snapshot.
 */
export declare function getModelOrSnapshotTypeAndId(value: unknown): ModelTypeAndId | undefined;