//#region src/_internal/types.d.ts
/**
 * Recursively unwraps a (possibly deeply) nested array type to its innermost
 * element type — e.g. `ExtractNestedArrayType<number[][]>` is `number`.
 */
type ExtractNestedArrayType<T> = T extends readonly (infer U)[] ? ExtractNestedArrayType<U> : T;
/**
 * Keeps the precise `Cased` literal type when `S` is a string literal, but
 * widens to `string` when `S` is the non-literal `string` — so case converters
 * return a plain `string` for dynamic inputs instead of leaking a partially
 * resolved type like `Lowercase<string>`.
 */
type WidenNonLiteral<S extends string, Cased extends string> = string extends S ? string : Cased;
//#endregion
export { ExtractNestedArrayType, WidenNonLiteral };