import { CamelCase, IValidation, KebabCase, PascalCase, SnakeCase } from "@typia/interface";
import { TypeGuardError } from "./TypeGuardError";
/**
 * Converts property names to camelCase.
 *
 * Transforms all property names in the object (including nested) to camelCase
 * convention. Creates a new object with renamed properties. Distinct source
 * keys that become the same destination key are rejected with an error instead
 * of silently discarding a value. This collision policy also applies to the
 * assert, is, validate, and factory variants.
 *
 * Does not validate the input. For validation, use:
 *
 * - {@link assertCamel} — Throws on type mismatch
 * - {@link isCamel} — Returns `null` on type mismatch
 * - {@link validateCamel} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with camelCase property names
 * @throws {Error} When two source keys become the same destination key
 */
export declare function camel<T>(input: T): CamelCase<T>;
/**
 * Converts property names to camelCase with assertion.
 *
 * Transforms all property names to camelCase with {@link assert} validation.
 * Throws {@link TypeGuardError} on type mismatch.
 *
 * Related functions:
 *
 * - {@link camel} — No validation
 * - {@link isCamel} — Returns `null` instead of throwing
 * - {@link validateCamel} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns New object with camelCase property names
 * @throws {TypeGuardError} When input doesn't conform to type `T`
 */
export declare function assertCamel<T>(input: T, errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): CamelCase<T>;
/**
 * Converts property names to camelCase with type checking.
 *
 * Transforms all property names to camelCase with {@link is} validation. Returns
 * `null` on type mismatch.
 *
 * Related functions:
 *
 * - {@link camel} — No validation
 * - {@link assertCamel} — Throws instead of returning `null`
 * - {@link validateCamel} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with camelCase property names, or `null` if invalid
 */
export declare function isCamel<T>(input: T): CamelCase<T> | null;
/**
 * Converts property names to camelCase with validation.
 *
 * Transforms all property names to camelCase with {@link validate} validation.
 * Returns {@link IValidation.IFailure} with all errors on mismatch, or
 * {@link IValidation.ISuccess} with converted object.
 *
 * Related functions:
 *
 * - {@link camel} — No validation
 * - {@link assertCamel} — Throws on first error
 * - {@link isCamel} — Returns `null` instead of error details
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns Validation result containing converted object or errors
 */
export declare function validateCamel<T>(input: T): IValidation<CamelCase<T>>;
/**
 * Converts property names to PascalCase.
 *
 * Transforms all property names in the object (including nested) to PascalCase
 * convention. Creates a new object with renamed properties. Distinct source
 * keys that become the same destination key are rejected with an error instead
 * of silently discarding a value. This collision policy also applies to the
 * assert, is, validate, and factory variants.
 *
 * Does not validate the input. For validation, use:
 *
 * - {@link assertPascal} — Throws on type mismatch
 * - {@link isPascal} — Returns `null` on type mismatch
 * - {@link validatePascal} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with PascalCase property names
 * @throws {Error} When two source keys become the same destination key
 */
export declare function pascal<T>(input: T): PascalCase<T>;
/**
 * Converts property names to PascalCase with assertion.
 *
 * Transforms all property names to PascalCase with {@link assert} validation.
 * Throws {@link TypeGuardError} on type mismatch.
 *
 * Related functions:
 *
 * - {@link pascal} — No validation
 * - {@link isPascal} — Returns `null` instead of throwing
 * - {@link validatePascal} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns New object with PascalCase property names
 * @throws {TypeGuardError} When input doesn't conform to type `T`
 */
export declare function assertPascal<T>(input: T, errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): PascalCase<T>;
/**
 * Converts property names to PascalCase with type checking.
 *
 * Transforms all property names to PascalCase with {@link is} validation.
 * Returns `null` on type mismatch.
 *
 * Related functions:
 *
 * - {@link pascal} — No validation
 * - {@link assertPascal} — Throws instead of returning `null`
 * - {@link validatePascal} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with PascalCase property names, or `null` if invalid
 */
export declare function isPascal<T>(input: T): PascalCase<T> | null;
/**
 * Converts property names to PascalCase with validation.
 *
 * Transforms all property names to PascalCase with {@link validate} validation.
 * Returns {@link IValidation.IFailure} with all errors on mismatch, or
 * {@link IValidation.ISuccess} with converted object.
 *
 * Related functions:
 *
 * - {@link pascal} — No validation
 * - {@link assertPascal} — Throws on first error
 * - {@link isPascal} — Returns `null` instead of error details
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns Validation result containing converted object or errors
 */
export declare function validatePascal<T>(input: T): IValidation<PascalCase<T>>;
/**
 * Converts property names to snake_case.
 *
 * Transforms all property names in the object (including nested) to snake_case
 * convention. Creates a new object with renamed properties. Distinct source
 * keys that become the same destination key are rejected with an error instead
 * of silently discarding a value. This collision policy also applies to the
 * assert, is, validate, and factory variants.
 *
 * Does not validate the input. For validation, use:
 *
 * - {@link assertSnake} — Throws on type mismatch
 * - {@link isSnake} — Returns `null` on type mismatch
 * - {@link validateSnake} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with snake_case property names
 * @throws {Error} When two source keys become the same destination key
 */
export declare function snake<T>(input: T): SnakeCase<T>;
/**
 * Converts property names to snake_case with assertion.
 *
 * Transforms all property names to snake_case with {@link assert} validation.
 * Throws {@link TypeGuardError} on type mismatch.
 *
 * Related functions:
 *
 * - {@link snake} — No validation
 * - {@link isSnake} — Returns `null` instead of throwing
 * - {@link validateSnake} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns New object with snake_case property names
 * @throws {TypeGuardError} When input doesn't conform to type `T`
 */
export declare function assertSnake<T>(input: T, errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): SnakeCase<T>;
/**
 * Converts property names to snake_case with type checking.
 *
 * Transforms all property names to snake_case with {@link is} validation.
 * Returns `null` on type mismatch.
 *
 * Related functions:
 *
 * - {@link snake} — No validation
 * - {@link assertSnake} — Throws instead of returning `null`
 * - {@link validateSnake} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with snake_case property names, or `null` if invalid
 */
export declare function isSnake<T>(input: T): SnakeCase<T> | null;
/**
 * Converts property names to snake_case with validation.
 *
 * Transforms all property names to snake_case with {@link validate} validation.
 * Returns {@link IValidation.IFailure} with all errors on mismatch, or
 * {@link IValidation.ISuccess} with converted object.
 *
 * Related functions:
 *
 * - {@link snake} — No validation
 * - {@link assertSnake} — Throws on first error
 * - {@link isSnake} — Returns `null` instead of error details
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns Validation result containing converted object or errors
 */
export declare function validateSnake<T>(input: T): IValidation<SnakeCase<T>>;
/**
 * Converts property names to kebab-case.
 *
 * Transforms all property names in the object (including nested) to kebab-case
 * convention. Creates a new object with renamed properties. Distinct source
 * keys that become the same destination key are rejected with an error instead
 * of silently discarding a value. This collision policy also applies to the
 * assert, is, validate, and factory variants.
 *
 * Does not validate the input. For validation, use:
 *
 * - {@link assertKebab} — Throws on type mismatch
 * - {@link isKebab} — Returns `null` on type mismatch
 * - {@link validateKebab} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with kebab-case property names
 * @throws {Error} When two source keys become the same destination key
 */
export declare function kebab<T>(input: T): KebabCase<T>;
/**
 * Converts property names to kebab-case with assertion.
 *
 * Transforms all property names to kebab-case with {@link assert} validation.
 * Throws {@link TypeGuardError} on type mismatch.
 *
 * Related functions:
 *
 * - {@link kebab} — No validation
 * - {@link isKebab} — Returns `null` instead of throwing
 * - {@link validateKebab} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns New object with kebab-case property names
 * @throws {TypeGuardError} When input doesn't conform to type `T`
 */
export declare function assertKebab<T>(input: T, errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): KebabCase<T>;
/**
 * Converts property names to kebab-case with type checking.
 *
 * Transforms all property names to kebab-case with {@link is} validation.
 * Returns `null` on type mismatch.
 *
 * Related functions:
 *
 * - {@link kebab} — No validation
 * - {@link assertKebab} — Throws instead of returning `null`
 * - {@link validateKebab} — Returns detailed validation errors
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns New object with kebab-case property names, or `null` if invalid
 */
export declare function isKebab<T>(input: T): KebabCase<T> | null;
/**
 * Converts property names to kebab-case with validation.
 *
 * Transforms all property names to kebab-case with {@link validate} validation.
 * Returns {@link IValidation.IFailure} with all errors on mismatch, or
 * {@link IValidation.ISuccess} with converted object.
 *
 * Related functions:
 *
 * - {@link kebab} — No validation
 * - {@link assertKebab} — Throws on first error
 * - {@link isKebab} — Returns `null` instead of error details
 *
 * @template T Type of input value
 * @param input Object to convert
 * @returns Validation result containing converted object or errors
 */
export declare function validateKebab<T>(input: T): IValidation<KebabCase<T>>;
/**
 * Creates reusable {@link camel} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createCamel(): never;
/**
 * Creates reusable {@link camel} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createCamel<T>(): (input: T) => CamelCase<T>;
/**
 * Creates reusable {@link assertCamel} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createAssertCamel(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): never;
/**
 * Creates reusable {@link assertCamel} function.
 *
 * @template T Type of input value
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns Reusable conversion function
 */
export declare function createAssertCamel<T>(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): (input: T) => CamelCase<T>;
/**
 * Creates reusable {@link isCamel} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createIsCamel(): never;
/**
 * Creates reusable {@link isCamel} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createIsCamel<T>(): (input: T) => CamelCase<T> | null;
/**
 * Creates reusable {@link validateCamel} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createValidateCamel(): never;
/**
 * Creates reusable {@link validateCamel} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createValidateCamel<T>(): (input: T) => IValidation<CamelCase<T>>;
/**
 * Creates reusable {@link pascal} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createPascal(): never;
/**
 * Creates reusable {@link pascal} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createPascal<T>(): (input: T) => PascalCase<T>;
/**
 * Creates reusable {@link assertPascal} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createAssertPascal(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): never;
/**
 * Creates reusable {@link assertPascal} function.
 *
 * @template T Type of input value
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns Reusable conversion function
 */
export declare function createAssertPascal<T>(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): (input: T) => PascalCase<T>;
/**
 * Creates reusable {@link isPascal} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createIsPascal(): never;
/**
 * Creates reusable {@link isPascal} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createIsPascal<T>(): (input: T) => PascalCase<T> | null;
/**
 * Creates reusable {@link validatePascal} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createValidatePascal(): never;
/**
 * Creates reusable {@link validatePascal} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createValidatePascal<T>(): (input: T) => IValidation<PascalCase<T>>;
/**
 * Creates reusable {@link snake} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createSnake(): never;
/**
 * Creates reusable {@link snake} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createSnake<T>(): (input: T) => SnakeCase<T>;
/**
 * Creates reusable {@link assertSnake} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createAssertSnake(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): never;
/**
 * Creates reusable {@link assertSnake} function.
 *
 * @template T Type of input value
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns Reusable conversion function
 */
export declare function createAssertSnake<T>(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): (input: T) => SnakeCase<T>;
/**
 * Creates reusable {@link isSnake} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createIsSnake(): never;
/**
 * Creates reusable {@link isSnake} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createIsSnake<T>(): (input: T) => SnakeCase<T> | null;
/**
 * Creates reusable {@link validateSnake} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createValidateSnake(): never;
/**
 * Creates reusable {@link validateSnake} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createValidateSnake<T>(): (input: T) => IValidation<SnakeCase<T>>;
/**
 * Creates reusable {@link kebab} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createKebab(): never;
/**
 * Creates reusable {@link kebab} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createKebab<T>(): (input: T) => KebabCase<T>;
/**
 * Creates reusable {@link assertKebab} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createAssertKebab(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): never;
/**
 * Creates reusable {@link assertKebab} function.
 *
 * @template T Type of input value
 * @param errorFactory Custom error factory receiving
 *   {@link TypeGuardError.IProps}
 * @returns Reusable conversion function
 */
export declare function createAssertKebab<T>(errorFactory?: undefined | ((props: TypeGuardError.IProps) => Error)): (input: T) => KebabCase<T>;
/**
 * Creates reusable {@link isKebab} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createIsKebab(): never;
/**
 * Creates reusable {@link isKebab} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createIsKebab<T>(): (input: T) => KebabCase<T> | null;
/**
 * Creates reusable {@link validateKebab} function.
 *
 * @danger You must configure the generic argument `T`
 */
export declare function createValidateKebab(): never;
/**
 * Creates reusable {@link validateKebab} function.
 *
 * @template T Type of input value
 * @returns Reusable conversion function
 */
export declare function createValidateKebab<T>(): (input: T) => IValidation<KebabCase<T>>;