import type { RemarkMaskTextOptions } from "./types/index.js";
import remarkMaskText from "../index.js";
export type Options = RemarkMaskTextOptions;
/**
 * Type-safe helper for creating remark-mask-text plugin configurations
 *
 * This function ensures that the options object contains only valid
 * properties, providing compile-time type checking and auto-completion.
 *
 * @example
 * const remarkPlugins = [
 *   createMaskTextPlugin({
 *     maskCharacter: '*',
 *     maskDelimiter: '||',
 *     // test: 'invalid' // ❌ TypeScript error
 *   })
 * ];
 */
export declare function createMaskTextPlugin(options?: Options): [typeof remarkMaskText, Options | undefined];
/**
 * Type guard to ensure options are valid
 *
 * @example
 * const config = { maskCharacter: '*', test: 'invalid' };
 * if (isValidMaskTextOptions(config)) {
 *   // config is now typed as Options
 * }
 */
export declare function isValidMaskTextOptions(obj: unknown): obj is Options;
/**
 * Strict options factory that prevents extra properties at compile time
 *
 * @example
 * const options = createStrictOptions({
 *   maskCharacter: '*',
 *   maskDelimiter: '||',
 *   // test: 'invalid' // ❌ TypeScript error
 * });
 */
export declare function createStrictOptions<T extends Options>(options: T & {
    [K in keyof T]: K extends keyof Options ? T[K] : never;
}): Options;