/**
 * @license
 * Copyright 2022-2026 Matter.js Authors
 * SPDX-License-Identifier: Apache-2.0
 */
import { Behavior } from "#behavior/Behavior.js";
/**
 * Create a non-functional instance of a {@link Behavior} for introspection purposes.
 */
export declare function introspectionInstanceOf(type: Behavior.Type): Record<string, (...args: any[]) => any>;
/**
 * The extension interface for a behavior.
 */
export type ExtensionInterfaceOf<B extends Behavior.Type> = B extends {
    ExtensionInterface: infer I extends {};
} ? I : {};
/**
 * Type-level brand for cluster client behaviors.
 *
 * The brand is published as a separate exported alias so consumer `.d.ts` files can name it via
 * `typeof clientBrand` without needing to serialize the underlying `unique symbol` declaration.
 */
export declare const clientBrand: symbol;
/**
 * Mark a behavior as a cluster client.
 */
export declare function markClientBehavior(type: Behavior.Type): void;
/**
 * Test whether a behavior is a cluster client.
 */
export declare function isClientBehavior(type: Behavior.Type): boolean;
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