/** Serialises everything `css.create()` and friends have registered so far. */
export declare function renderStyles(minify?: boolean): string;
/** Empties the registry. Tests and watch-mode rebuilds need this. */
export declare function resetStyles(): void;
/** How many distinct atomic classes exist right now. */
export declare function styleCount(): number;
/**
 * Increments every time the registry is cleared.
 *
 * Rules are registered as a side effect of module evaluation, and a module
 * only evaluates once per specifier — so after a reset the modules that
 * declared those rules would stay cached and never re-register them. Folding
 * this counter into the import specifier makes a reset genuinely start over.
 */
export declare function styleGeneration(): number;
export declare const registry: StyleRegistry;
/**
 * One atomic declaration: a single property/value pair under a fixed chain of
 * conditions, owning exactly one class name.
 */
export declare interface AtomicRule {
  className: string
  property: string
  values: string[]
  conditions: string[]
  priority: number
}
/** A `@keyframes` block keyed by its generated animation name. */
export declare interface KeyframesRule {
  name: string
  css: string
}
/** A custom-property definition, optionally scoped to a selector/at-rule. */
export declare interface VarRule {
  selector: string
  atRule?: string
  declarations: Record<string, string>
}
/**
 * Process-wide store of everything the style API has generated.
 *
 * `css.create()` registers as a side effect of module evaluation, which is
 * what lets the build collect styles by simply importing the modules that
 * declare them — no AST pass, and no chance of the emitted CSS disagreeing
 * with the class names the app actually renders.
 */
declare class StyleRegistry {
  addRule(rule: AtomicRule): void;
  addKeyframes(rule: KeyframesRule): void;
  addVars(rule: VarRule): void;
  has(className: string): boolean;
  get size(): number;
  clear(): void;
  get currentGeneration(): number;
  toCSS(minify?: boolean): string;
}