type HasExtensionParams = {
    extensionKey: string;
};
/**
 * Checks if a specific extension has been applied to the Dynamic client.
 *
 * Extensions add optional features to the Dynamic SDK,
 * such as EVM, Solana, or other chain support.
 *
 * @param params.extensionKey - The unique key identifying the extension to check for.
 * @param [client] - The Dynamic client instance. Only required when using multiple Dynamic clients.
 * @returns True if the extension is applied, false otherwise.
  * @notInstrumented
 */
export declare const hasExtension: ({ extensionKey }: HasExtensionParams, client?: import("../../../exports").DynamicClient) => boolean;
export {};
//# sourceMappingURL=hasExtension.d.ts.map