/**
 * This module contains functions and types to change the cases of object keys
 *
 * @module
 */
import type { CaseName } from "./cases.js";
import { type ChangeStringCase } from "./string.js";
import { type DetectCaseNameFromArray } from "./array.js";
import { type DeepKeyOf, type UnionToTuple, type Writeable } from "./utils.js";
/** Attempts to identify the shared CaseName of the keys of an object type and return a CaseName. Returns 'undefined' if more than one CaseName is identified, except if one of them is a non-delimited case (upper or lower) and the only other one is not.
 *
 * @example
 * ```typescript
 * const case: DetectCaseNameFromKeys<{ fooBar: 0, baz: 0 }> = "camelCase";
 * ```
 */
export type DetectCaseNameFromKeys<Object extends object> = DetectCaseNameFromArray<UnionToTuple<DeepKeyOf<Object>>>;
/** Attempts to identify the shared CaseName of the keys of a given object and return a CaseName. Returns 'undefined' if more than one CaseName is identified, except if one of them is a non-delimited case (upper or lower) and the only other one is not.
 *
 * @example
 * ```typescript
 * detectCaseNameFromKeys({ fooBar: 0, baz: 0 }) satisfies "camelCase";
 * ```
 */
export declare function detectCaseNameFromKeys<const Object extends object>(object: Object): DetectCaseNameFromKeys<Object>;
/** Deeply changes the keys (property names) of records within an object type (including arrays and tuples) */
export type ChangeKeysCase<Object extends object, ToCase extends CaseName, FromCase extends CaseName> = Object extends unknown[] ? BuildArray<Object, ToCase, FromCase> : Object extends Record<PropertyKey, unknown> ? BuildObject<Object, ToCase, FromCase> : Object;
type BuildItem<Item, ToCase extends CaseName, FromCase extends CaseName> = Item extends object ? ChangeKeysCase<Item extends readonly unknown[] ? Writeable<Item> : Item, ToCase, FromCase> : Item;
type BuildObject<SourceObject extends Record<PropertyKey, unknown>, ToCase extends CaseName, FromCase extends CaseName, Keys extends unknown[] = UnionToTuple<keyof SourceObject>, Acc = unknown> = Keys extends [
    infer Head extends PropertyKey,
    ...infer Tail extends unknown[]
] ? BuildObject<SourceObject, ToCase, FromCase, Tail, {
    [Key in (Head extends string ? ChangeStringCase<Head, ToCase, FromCase> : Head) | keyof Acc]: Key extends keyof Acc ? Acc[Key] : BuildItem<SourceObject[Head], ToCase, FromCase>;
}> : Acc;
type BuildArray<SourceArray extends unknown[], ToCase extends CaseName, FromCase extends CaseName> = number extends SourceArray["length"] ? (BuildItem<SourceArray[number], ToCase, FromCase>)[] : BuildTuple<SourceArray, ToCase, FromCase>;
type BuildTuple<SourceTuple extends unknown[], ToCase extends CaseName, FromCase extends CaseName, Acc extends unknown[] = []> = SourceTuple extends [infer Head, ...infer Tail extends unknown[]] ? BuildTuple<Tail, ToCase, FromCase, [
    ...Acc,
    BuildItem<Head, ToCase, FromCase>
]> : Acc;
/** Returns a function translating the keys within an object. The current case will be auto-detected if possible. */
export declare function keysCaseChanger<const ToCase extends CaseName>(toCase: ToCase): <Object extends object>(object: Object) => DetectCaseNameFromKeys<Object> extends infer FromCase extends CaseName ? ChangeKeysCase<Object, ToCase, FromCase> : Object;
/** Returns a function translating the keys within an object from one provided case to another */
export declare function keysCaseChanger<const ToCase extends CaseName, const FromCase extends CaseName>(toCase: ToCase, fromCase: FromCase): <Object extends object>(object: Object) => ChangeKeysCase<Object, ToCase, FromCase>;
/** Translates the keys within an object. The current case will be auto-detected if possible. */
export declare function changeKeysCase<Object extends object, const ToCase extends CaseName>(object: Object, toCase: ToCase): DetectCaseNameFromKeys<Object> extends infer FromCase extends CaseName ? ChangeKeysCase<Object, ToCase, FromCase> : Object;
/** Translates the keys within an object from one provided case to another */
export declare function changeKeysCase<Object extends object, const ToCase extends CaseName, const FromCase extends CaseName>(object: Object, toCase: ToCase, fromCase: FromCase): ChangeKeysCase<Object, ToCase, FromCase>;
export {};
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