import { TerraformElement } from '../utils';
/**
 * @category Argument
 */
export declare class Argument<T extends string = string> extends TerraformElement {
    #private;
    /**
     * Construct argument.
     *
     * @param arg argument as string
     */
    constructor(arg: T);
    /**
     * Get argument's attribute.
     *
     * @param name attribute name
     */
    attr(name: string): Argument;
    /**
     * Get list argument's element.
     *
     * @param idx element index
     */
    element(idx: number): Argument;
    /**
     * To Terraform representation.
     *
     * Use this method when argument is used as an interpolation in another Terraform argument or code.
     */
    toTerraform(): string;
    /**
     * To string.
     *
     * Use this method when argument is used as an interpolation in a Terraform string or heredoc.
     *
     * It is automatically called when argument is used in template literal.
     */
    toString(): string;
}
/**
 * Convenient function to construct new [[Argument]].
 *
 * @param arg argument as string or copy from another argument object
 *
 * @category Argument
 */
export declare const arg: <T extends string = string>(arg: T) => Argument<T>;