import { CasedString, CaseType } from "./casedString.js";
/**
 * Converts the property keys of an object to a {@link CaseType}.
 *
 * @param object - The object to convert the casing of.
 * @param casing - The {@link CaseType}, e.g. `snake` or `camel`.
 */
export type ObjectGeneralCaserFunction = <O, T extends CaseType>(object: O, casing: T) => CasedObjectKeys<O, T>;
/**
 * Converts an object to a {@link CaseType}.
 *
 * @param object - The object to convert the casing of.
 */
export type ObjectCaserFunction<T extends CaseType> = <O>(object: O) => CasedObjectKeys<O, T>;
export type ObjectCaser = ObjectGeneralCaserFunction & {
    [T in CaseType]: ObjectCaserFunction<T>;
};
/**
 * Converts the property keys of an object to a {@link CaseType}.
 *
 * @typeparam `O` - The string to convert the casing of.
 * @typeparam `T` - The {@link CaseType}, e.g. `snake` or `camel`.
 */
export type CasedObjectKeys<O, T extends CaseType> = O extends object ? O extends (infer E)[] ? CasedObjectKeys<E, T>[] : {
    [K in keyof O as CasedString<Extract<K, string>, T>]: CasedObjectKeys<O[K], T>;
} : O;
/**
 * Converts the property keys of an object to camelCase.
 *
 * @typeparam `O` - The string to convert the casing of.
 */
export type CamelCasedObjectKeys<O> = CasedObjectKeys<O, "camel">;
/**
 * Converts the property keys of an object to snake_case.
 *
 * @typeparam `O` - The string to convert the casing of.
 */
export type SnakeCasedObjectKeys<O> = CasedObjectKeys<O, "snake">;
/** Converts the keys (or deeply nested keys) of an {@link object} to the specified {@link casing}. */
export declare const casedObjectKeys: ObjectGeneralCaserFunction;