import type { ArgumentsCamelCase, Argv, CommandModule, InferredOptionTypes, Options } from 'yargs';
export type DefineCommandResult<T = {}, U = {}> = CommandModule<T, U>;
/**
 * Helper to define a command with type inference for arguments.
 *
 * @example
 * ```typescript
 * export const command = defineCommand({
 *   command: 'my-command',
 *   builder: (yargs) => yargs.option('name', { type: 'string', demandOption: true }),
 *   handler: (argv) => {
 *     // argv.name is correctly typed as string
 *     console.log(argv.name);
 *   },
 * });
 * ```
 */
export declare function defineCommand<T = {}, U = {}>(module: {
    command?: string | ReadonlyArray<string>;
    aliases?: string | ReadonlyArray<string>;
    describe?: string | false;
    deprecated?: boolean | string;
    builder: (yargs: Argv<T>) => Argv<U> | PromiseLike<Argv<U>>;
    handler: (args: ArgumentsCamelCase<U>) => void | Promise<void>;
}): DefineCommandResult<T, U>;
/**
 * Helper to define a command with type inference for arguments using an options object builder.
 */
export declare function defineCommand<O extends {
    [key: string]: Options;
}, T = {}>(module: {
    command?: string | ReadonlyArray<string>;
    aliases?: string | ReadonlyArray<string>;
    describe?: string | false;
    deprecated?: boolean | string;
    builder: O;
    handler: (args: ArgumentsCamelCase<InferredOptionTypes<O>>) => void | Promise<void>;
}): DefineCommandResult<T, InferredOptionTypes<O>>;