import type { InternalUserDefinedOptions, TailwindcssRuntimeLike } from '../../types/index.js';
export declare const DEFAULT_CSS_CALC_CUSTOM_PROPERTIES: (string | RegExp)[];
export declare function normalizeCssEntriesConfig(entries: unknown): string[] | undefined;
export declare function warnMissingCssEntries(ctx: InternalUserDefinedOptions, tailwindRuntime: TailwindcssRuntimeLike | undefined): void;
export declare function applyV4CssCalcDefaults(cssCalc: InternalUserDefinedOptions['cssCalc'], tailwindRuntime: TailwindcssRuntimeLike | undefined): InternalUserDefinedOptions['cssCalc'];