/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict
 */

import type { TRawValue, StyleRule, StyleXOptions } from '../common-types';

// This function takes a single style rule and transforms it into a CSS rule.
// [color: 'red'] => ['color', 'classname-for-color-red', CSSRULE{ltr, rtl, priority}]
//
// It converts the camelCased style key to a dash-separated key.
// Handles RTL-flipping
// Hashes to get a className
// Returns the final key, className a CSS Rule
declare export function convertStyleToClassName(
  objEntry: $ReadOnly<[string, TRawValue]>,
  pseudos: $ReadOnlyArray<string>,
  atRules: $ReadOnlyArray<string>,
  constRules: $ReadOnlyArray<string>,
  options?: StyleXOptions,
): StyleRule;

declare export default function variableFallbacks(
  values: $ReadOnlyArray<string>,
): $ReadOnlyArray<string>;