export type VariantDimensions = Record<string, string>;
export declare function parseDimensions(raw: unknown): VariantDimensions;
export declare function stringifyDimensions(dimensions: VariantDimensions): string;
/** Channel select value: `'default'` when no channelId key, else the channel id. */
export declare function getChannelId(dimensions: VariantDimensions): string;
/**
 * MVP channel picker: Default → `{}`; channel → `{ channelId }` only
 * (clears other dimension keys so the select stays channel-centric).
 */
export declare function setChannelId(channelId: string): VariantDimensions;
type DirectiveAttributes = Record<string, string | null | undefined> | null | undefined;
/** Map remark-directive attributes → dimensions JSON (drops boolean `default` key). */
export declare function dimensionsFromDirectiveAttributes(attributes: DirectiveAttributes): string;
/** Map dimensions JSON → remark-directive attributes (`{default}` or key=value). */
export declare function directiveAttributesFromDimensions(raw: unknown): Record<string, string>;
export {};