import { RpcRequest } from '../RpcRequest';
import { RpcResponse } from '../RpcResponse';
/**
 * JSON-RPC request for the `help` command.
 */
export interface HelpRequest extends RpcRequest {
    readonly method: 'help';
    readonly params?: [string];
}
/**
 * JSON-RPC response for the `help` command.
 */
export interface HelpResponse extends RpcResponse {
    readonly result: HelpResult | null;
}
/**
 * Result of the `help` command.
 */
export declare type HelpResult = string;
export declare function Help(command?: string): HelpRequest;