import type { PascalCase, PascalCaseOptions } from "./pascal-case.js";
import type { DelimiterCase } from "./delimiter-case.js";
export type TrainCaseOptions = PascalCaseOptions;
/**
 * Convert a string type to Train-Case.
 * @example
 * ```ts
 * type TrainCaseString = TrainCase<"hello world">; // "Hello-World"
 * ```
 */
export type TrainCase<T extends string, O extends TrainCaseOptions | undefined = undefined> = DelimiterCase<PascalCase<T, O>, "-">;
/**
 * Convert a string to Train-Case.
 * @example
 * ```ts
 * const trainCaseString = toTrainCase("hello world"); // "Hello-World"
 * ```
 */
export declare function toTrainCase<T extends string, O extends TrainCaseOptions>(string: T, options?: O): TrainCase<T, O>;
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