/**
 * The DataGeneratorRegistry is a centralized service registry that manages all data generators
 * by their unique names. It enables generators to reference each other for composing complex generation
 * workflows and is used by the processor to access the required generators.
 */
import { DataGeneratorInterface } from './DataGeneratorInterface.js';
export declare class DataGeneratorRegistry {
    /**
     * Internal map that stores data generators by their unique names.
     */
    registry: Map<string, DataGeneratorInterface>;
    /**
     * Registers a new data generator in the registry.
     *
     * @param generatorName - The unique name to assign to the generator.
     * @param dataGenerator - The instance of the data generator to be registered.
     *
     * @throws Error If a generator with the given name is already registered.
     */
    registerGenerator(generatorName: string, dataGenerator: DataGeneratorInterface): void;
    /**
     * Invokes the `saveStore()` method on each registered data generator.
     *
     * This method persists the state of all generators in the registry.
     */
    saveStore(): Promise<void>;
    /**
     * Invokes the `loadStore()` method on each registered data generator.
     *
     * This method restores the state of all generators from persistent storage.
     */
    loadStore(): Promise<void>;
    /**
     * Retrieves a data generator by its unique name.
     *
     * @param generatorName - The name under which the generator is registered.
     * @returns The data generator associated with the specified name.
     *
     * @throws Error If no generator is found with the given name.
     */
    getGenerator(generatorName: string): DataGeneratorInterface;
}
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