import { ComponentKeys, ComponentCategoryKey } from '../ui/props/index.cjs';
export declare function pickFirstTruthyKeyByCategory<T extends ComponentCategoryKey>(props: Record<string, unknown>, defaults: Record<string, unknown>, category: T): typeof ComponentKeys[T][number] | undefined;
/** Categories whose side toggles compose (union) instead of being one-of. */
export declare const MULTI_VALUE_CATEGORIES: Set<string>;
/**
 * Collect every active key for a composable category (border/margin). Explicit
 * truthy props win over defaults as a set; a `no*` reset (noBorder/noMargin) in
 * the selection overrides all side toggles.
 */
export declare function collectTruthyKeysByCategory<T extends ComponentCategoryKey>(props: Record<string, unknown>, defaults: Record<string, unknown>, category: T): string[];
/** Reset key that wins when a multi-value category's truthy keys mix a `no*` reset with side toggles. */
export declare function resetConflictKey(truthyKeys: readonly string[]): string | undefined;