import type { TokenTransformed } from '@terrazzo/token-tools';
export declare const FORMAT_ID = "tailwind";
export declare const PLUGIN_NAME = "@terrazzo/plugin-tailwind";
export type ResolverInput = Record<string, string>;
export interface VariableNameContext {
    token: TokenTransformed;
    path: string[];
    relName: string;
}
export interface TailwindPluginOptions {
    /**
     * Path to a template file.
     *
     * @example "tailwind.template.css";
     *
     * @example
     * ```css
     * @import "tailwindcss";
     * /* Default theme *\/
     * @theme {
     * @tz (theme: "light");
     * }
     * /* Uncomment to change conditions for dark mode *\/
     * /* @custom-variant dark ([data-theme="dark"]); *\/
     *
     * /* Dark mode (@see https://tailwindcss.com/docs/dark-mode) *\/
     * @variant dark {
     *   @tz (theme: "dark");
     * }
     *
     * /* Custom variant: light-high-contrast (shortened to "light-hc" in Tailwind) *\/
     * @custom-variant light-hc ([data-theme="light-hc"]);
     *
     * @variant light-hc {
     *   @tz (theme: "light-high-contrast");
     * }
     *
     * /* Custom variant: dark-high-contrast (shortened to "dark-hc" in Tailwind) *\/
     * @custom-variant dark-hc ([data-theme="dark-hc"]);
     *
     * @variant dark-hc {
     *   @tz (theme: "dark-high-contrast");
     * }
     *
     * /* Custom variant for reduced motion *\/
     * @custom-variant reduced-motion (@media (prefers-reduced-motion: reduce));
     *
     * @variant reduced-motion {
     *   @tz (motion: "reduced");
     * }
     *
     * /* Custom CSS is allowed *\/
     * .my-custom-util {
     *   color: red;
     * }
     * ```
     */
    template: string;
    /**
     * Filename to output.
     * @default "tailwind-theme.css"
     */
    filename?: string;
    /** @see https://tailwindcss.com/docs/theme */
    theme: Record<string, unknown>;
    /** Default permutation */
    defaultTheme?: ResolverInput;
    /**
     * Associate Tailwind custom variants with Resolver permutations
     * @see https://tailwindcss.com/docs/dark-mode#toggling-dark-mode-manually
     */
    customVariants?: Record<string, {
        /** The CSS selector to apply to this variant */
        selector: string;
        /** The resolver input to load for this custom variant */
        input: ResolverInput;
    }>;
    /** Control the final CSS variable name */
    variableName?: (defaultName: string, context: VariableNameContext) => string;
}
/** Flatten an arbitrarily-nested object */
export declare function flattenThemeObj(themeObj: Record<string, unknown>): {
    path: string[];
    value: string | string[];
}[];
export declare const FILE_HEADER = "/* -------------------------------------------\n *  Autogenerated by \u26CB Terrazzo. DO NOT EDIT!\n * ------------------------------------------- */";
export declare function buildFileHeader(templatePath?: string): string;
export interface TzAtRule {
    start: number;
    end: number;
    input: Record<string, string>;
}
/**
 * Parse @tz at-rules in CSS.
 */
export declare function parseTzAtRules(css: string): TzAtRule[];
/**
 * Parse an individual @tz at-rule in CSS.
 *
 * This algorithm requires 2 passes:
 * 1. Determine the beginning and end of the expression, accounting for arbitrary whitespace, comments, and even CSS-omittable semicolons
 * 2. Take the inner body of the at-rule and parse the parameters.
 */
export declare function parseTzAtRule(css: string): TzAtRule | undefined;
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