/**
 * Map-backed `PluginRegistry` implementation + the process-wide singleton.
 *
 * Storage is one Map per kind. Registration rejects duplicate ids
 * (`RegistrationError`) and any target not on `apiVersion: 1`
 * (`ApiVersionMismatchError`).
 */
import type { PluginRegistry } from "./registry.js";
/** Create a fresh, isolated registry — used by tests so cases never share state. */
export declare function createPluginRegistry(): PluginRegistry;
/** Process-wide default registry. Built-ins and loaded plugins register here. */
export declare const pluginRegistry: PluginRegistry;
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