/**
 * Converts an IndexedDB request into a Promise
 * @template T The type of the result that will be returned by the IndexedDB request
 * @param request The IndexedDB request to convert to a Promise
 * @returns A Promise that resolves with the request result or rejects with an error message
 */
export declare function idbRequestToPromise<T>(request: IDBRequest): Promise<T>;
/**
 * Safely executes an async operation with error handling
 * @template T The type of the result that will be returned by the operation
 * @param fn The async function to execute
 * @returns A Promise that resolves with the result or null if an error occurs
 */
export declare function safeCall<T>(fn: () => Promise<T>): Promise<T | null>;
/**
 * Safely executes an async operation that returns void with error handling
 * @param fn The async function to execute
 * @returns A Promise that resolves to void, silently handling any errors
 */
export declare function safeVoidCall(fn: () => Promise<unknown>): Promise<void>;