import { AbortablePromise } from 'better-promises';
import { RequestOptionsNoCapture } from '../../../types.js';
import { GetCssVarNameFn } from './types.js';
/**
 * Creates CSS variables connected with the current theme parameters.
 *
 * By default, created CSS variables names are following the pattern "--tg-theme-{name}", where
 * {name} is a theme parameters key name converted from snake case to kebab case.
 *
 * Default variables:
 * - `--tg-theme-bg-color`
 * - `--tg-theme-secondary-text-color`
 *
 * Variables are being automatically updated if theme parameters were changed.
 *
 * @param getCSSVarName - function, returning complete CSS variable name for the specified
 * theme parameters key.
 * @returns Function to stop updating variables.
 * @throws {FunctionNotAvailableError} The environment is unknown
 * @throws {FunctionNotAvailableError} The SDK is not initialized
 * @throws {CSSVarsBoundError} CSS variables are already bound
 * @throws {FunctionNotAvailableError} The parent component is not mounted
 * @example Using no arguments
 * if (bindCssVars.isAvailable()) {
 *   bindCssVars();
 * }
 * @example Using custom CSS vars generator
 * if (bindCssVars.isAvailable()) {
 *   bindCssVars(key => `--my-prefix-${key}`);
 * }
 */
export declare const bindCssVars: import('../../wrappers/wrapSafe.js').SafeWrapped<(getCSSVarName?: GetCssVarNameFn) => VoidFunction, false, never>;
/**
 * Mounts the Theme Params component restoring its state.
 * @throws {FunctionNotAvailableError} The environment is unknown
 * @throws {FunctionNotAvailableError} The SDK is not initialized
 * @throws {FunctionNotAvailableError} The function is not supported
 * @deprecated Use `mountSync`.
 * @example
 * if (mount.isAvailable()) {
 *   await mount();
 * }
 */
export declare const mount: import('../../wrappers/wrapSafe.js').SafeWrapped<(_options?: RequestOptionsNoCapture | undefined) => AbortablePromise<void>, false, never>;
/**
 * @deprecated The initialization is synchronous. Use `mountSync`.
 */
export declare const isMounting: import('@telegram-apps/signals').Computed<boolean>;
/**
 * @deprecated The initialization is synchronous. Use `mountSync`.
 */
export declare const mountPromise: import('@telegram-apps/signals').Computed<AbortablePromise<Partial<Record<string, `#${string}`>>> | undefined>;
/**
 * @deprecated The initialization is synchronous. Use `mountSync`.
 */
export declare const mountError: import('@telegram-apps/signals').Computed<Error | undefined>;
export declare const _isMounted: import('@telegram-apps/signals').Signal<boolean>, isMounted: import('@telegram-apps/signals').Computed<boolean>;
/**
 * Mounts the Theme Params component restoring its state.
 * @throws {FunctionNotAvailableError} The environment is unknown
 * @throws {FunctionNotAvailableError} The SDK is not initialized
 * @throws {FunctionNotAvailableError} The function is not supported
 * @example
 * if (mountSync.isAvailable()) {
 *   mountSync();
 * }
 */
export declare const mountSync: import('../../wrappers/wrapSafe.js').SafeWrapped<() => void, false, never>;
/**
 * Unmounts the Theme Params component.
 */
export declare function unmount(): void;