/**
 * @fileoverview BrightDB model registry — singleton for managing BrightDB
 * collection registrations. Parallel to upstream's ModelRegistry.
 *
 * @module bright-db-model-registry
 */
import type { CollectionSchema } from '@digitaldefiance/suite-core-lib';
import type { BrightDbCollection } from './services/bright-db-collection';
/**
 * Registration entry for a BrightDB collection.
 */
export interface BrightDbModelRegistration {
    collectionName: string;
    schema?: CollectionSchema;
    collection: BrightDbCollection;
}
/**
 * Singleton registry for BrightDB collections.
 * Manages collection registration and retrieval across the application.
 * Parallel to upstream's ModelRegistry for Mongoose models.
 */
export declare class BrightDbModelRegistry {
    private static _instance;
    private readonly _models;
    private constructor();
    /**
     * Gets the singleton instance of BrightDbModelRegistry.
     */
    static get instance(): BrightDbModelRegistry;
    /**
     * Creates an isolated registry instance (useful for testing).
     */
    static createIsolated(): BrightDbModelRegistry;
    /**
     * Registers a collection with the registry.
     */
    register(registration: BrightDbModelRegistration): void;
    /**
     * Retrieves a collection registration by name.
     * @throws {Error} If the collection is not registered.
     */
    get(modelName: string): BrightDbModelRegistration;
    /**
     * Checks if a collection is registered.
     */
    has(modelName: string): boolean;
    /**
     * Lists all registered collection names.
     */
    list(): string[];
    /**
     * Clears all registrations (useful for testing).
     */
    clear(): void;
}
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