/**
 * Removes the shop locale segment from a given path.
 *
 * @param locale The locale to remove (case-insensitive).
 * @param path The path string.
 * @param splitter The path separator. Defaults to '/'.
 *
 * @returns The path with the locale segment removed.
 *
 * @example
 * ```typescript
 * stripShopLocaleFromPath('en', '/en/products') // '/products'
 * stripShopLocaleFromPath('de', '/de/category/shoes') // '/category/shoes'
 * ```
 */
export declare const stripShopLocaleFromPath: (locale: string, path: string, splitter?: string) => string;
/**
 * Purifies a sensitive value by masking characters. Optionally shows the first and last characters.
 *
 * @param value The sensitive value to purify.
 * @param showFirstAndLastChar Whether to show the first and last characters. Defaults to `false`.
 *
 * @returns The purified value.
 *
 * @example
 * ```typescript
 * purifySensitiveValue("secret") // "********"
 * purifySensitiveValue("secret", true) // "s****t"
 * purifySensitiveValue("ab", true) // "ab"  (doesn't mask if less than 3 characters)
 * ```
 */
export declare const purifySensitiveValue: (value: string, showFirstAndLastChar?: boolean) => string;
/**
 * Purifies sensitive data from an object by masking values associated with blacklisted keys.
 * Handles nested objects recursively.
 *
 * @param data The object containing potentially sensitive data.
 * @param blacklistedKeys An array of keys to mask. Defaults to `['password']`.
 * @param showFirstAndLastChar Whether to show the first and last characters of sensitive values. Defaults to `false`.
 *
 * @returns A new object with sensitive data purified.
 *
 * @example
 * ```typescript
 * const data = { name: "John", password: "mysecret", address: { street: "123 Main St", zip: "12345" } }
 *
 * const purified = purifySensitiveData(data) // { name: "John", password: "********", address: { street: "123 Main St", zip: "12345" } }
 * const purifiedWithFirstLast = purifySensitiveData(data, ['password', 'zip'], true)  // { name: "John", password: "m****t", address: { street: "123 Main St", zip: "1****5" } }
 * ```
 */
export declare const purifySensitiveData: (data?: Record<string, any>, blacklistedKeys?: string[], showFirstAndLastChar?: boolean) => Record<string, any>;
/**
 * Creates a Headers object from a record, filtering out undefined values.
 *
 * @param headers A partial record of header key-value pairs. Undefined values are ignored.
 *
 * @returns A new `Headers` object.
 *
 * @example
 * ```typescript
 * const headers = createAndPurifyHeaders({ 'Content-Type': 'application/json', Authorization: undefined })
 * // headers now contains only the 'Content-Type' header
 * ```
 */
export declare const createAndPurifyHeaders: (headers: Partial<Record<string, string | undefined>>) => Headers;