import type { CustomWorld } from "../helpers/world";
/**
 * Asserts that a Local Storage item with the given key exists for the current page's origin.
 *
 * ```gherkin
 * Then I see local storage item {string}
 * ```
 *
 * @param key - The key of the Local Storage item expected to exist.
 *
 * @example
 * Then I see local storage item "token"
 *
 * @remarks
 * This step executes `localStorage.getItem(key)` in the browser's context.
 * It asserts that the returned value is not `null`, indicating the item exists.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_local_storage_item(this: CustomWorld, key: string): Promise<void>;
/**
 * Asserts that a Local Storage item with the given key does NOT exist for the current page's origin.
 *
 * ```gherkin
 * Then I do not see local storage item {string}
 * ```
 *
 * @param key - The key of the Local Storage item expected NOT to exist.
 *
 * @example
 * Then I do not see local storage item "oldFeatureFlag"
 *
 * @remarks
 * This step executes `localStorage.getItem(key)` in the browser's context.
 * It asserts that the returned value is strictly `null`, indicating the item does not exist.
 * @category Storage Assertion Steps
 */
export declare function Then_I_do_not_see_local_storage_item(this: CustomWorld, key: string): Promise<void>;
/**
 * Asserts that a Local Storage item with the given key exactly equals the expected value.
 *
 * ```gherkin
 * Then I see local storage item {string} equals {string}
 * ```
 *
 * @param key - The key of the Local Storage item.
 * @param expectedValue - The exact value the item is expected to have.
 *
 * @example
 * Then I see local storage item "token" equals "abc123"
 *
 * @remarks
 * This step executes `localStorage.getItem(key)` in the browser's context.
 * It asserts strict equality between the retrieved value and `expectedValue`.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_local_storage_item_equals(this: CustomWorld, key: string, expectedValue: string): Promise<void>;
/**
 * Asserts that a Local Storage item with the given key contains the expected substring.
 *
 * ```gherkin
 * Then I see local storage item {string} contains {string}
 * ```
 *
 * @param key - The key of the Local Storage item.
 * @param part - The substring expected to be contained within the item's value.
 *
 * @example
 * Then I see local storage item "userSession" contains "loggedIn"
 *
 * @remarks
 * This step executes `localStorage.getItem(key)` in the browser's context.
 * It asserts that the retrieved value (if not null) includes the `part` substring.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_local_storage_item_contains(this: CustomWorld, key: string, part: string): Promise<void>;
/**
 * Asserts that a Session Storage item with the given key exists for the current page's origin.
 *
 * ```gherkin
 * Then I see session storage item {string}
 * ```
 *
 * @param key - The key of the Session Storage item expected to exist.
 *
 * @example
 * Then I see session storage item "sessionId"
 *
 * @remarks
 * This step executes `sessionStorage.getItem(key)` in the browser's context.
 * It asserts that the returned value is not `null`, indicating the item exists.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_session_storage_item(this: CustomWorld, key: string): Promise<void>;
/**
 * Asserts that a Session Storage item with the given key does NOT exist for the current page's origin.
 *
 * ```gherkin
 * Then I do not see session storage item {string}
 * ```
 *
 * @param key - The key of the Session Storage item expected NOT to exist.
 *
 * @example
 * Then I do not see session storage item "tempData"
 *
 * @remarks
 * This step executes `sessionStorage.getItem(key)` in the browser's context.
 * It asserts that the returned value is strictly `null`, indicating the item does not exist.
 * @category Storage Assertion Steps
 */
export declare function Then_I_do_not_see_session_storage_item(this: CustomWorld, key: string): Promise<void>;
/**
 * Asserts that a Session Storage item with the given key exactly equals the expected value.
 *
 * ```gherkin
 * Then I see session storage item {string} equals {string}
 * ```
 *
 * @param key - The key of the Session Storage item.
 * @param expectedValue - The exact value the item is expected to have.
 *
 * @example
 * Then I see session storage item "sessionId" equals "xyz789"
 *
 * @remarks
 * This step executes `sessionStorage.getItem(key)` in the browser's context.
 * It asserts strict equality between the retrieved value and `expectedValue`.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_session_storage_item_equals(this: CustomWorld, key: string, expectedValue: string): Promise<void>;
/**
 * Asserts that a Session Storage item with the given key contains the expected substring.
 *
 * ```gherkin
 * Then I see session storage item {string} contains {string}
 * ```
 *
 * @param key - The key of the Session Storage item.
 * @param part - The substring expected to be contained within the item's value.
 *
 * @example
 * Then I see session storage item "userState" contains "authenticated"
 *
 * @remarks
 * This step executes `sessionStorage.getItem(key)` in the browser's context.
 * It asserts that the retrieved value (if not null) includes the `part` substring.
 * @category Storage Assertion Steps
 */
export declare function Then_I_see_session_storage_item_contains(this: CustomWorld, key: string, part: string): Promise<void>;