import type { WalletAPIClient } from "../WalletAPIClient";
export declare class CustomModule {
    private client;
    constructor(client: WalletAPIClient);
    /**
     * Let the app request a custom method.
     * @param method - Custom method name
     * @param data - Data to send
     *
     * @returns Message signed
     * @throws {@link RpcError} if an error occurred on server side
     */
    protected request<D, R>(method: `custom.${string}`, data: D): Promise<R>;
}
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