import type ExtensionPointRegistry from "../../api/registry/ExtensionPointRegistry.ts";
/**
 * Simple implementation of an {@link ExtensionPointRegistry} using an in-memory Set.
 */
export default class InMemoryExtensionPointRegistry implements ExtensionPointRegistry {
    private readonly extensionPoints;
    /**
     * @inheritDoc
     *
     * @throws *Error* if the specified Extension Point has already been registered
     */
    register(extensionPoint: string): Promise<void>;
    getAll(): Promise<ReadonlySet<string>>;
    isRegistered(extensionPoint: string): Promise<boolean>;
}
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