type SpaceScaleKey = '1' | '2' | '3' | '4' | '5' | '6' | '8' | '10' | '12' | '16';
/** A spacing-scale token key, or any other string passed through as a raw CSS length. */
export type Space = SpaceScaleKey | (string & {});
/** A scale key resolves to its token (`var(--skdx-space-<key>)`); anything else passes through verbatim. */
export declare function resolveSpace(value: Space | undefined): string | undefined;
/** A number, or a digits-only string, becomes that many equal columns; any other string is a raw track list passed through. */
export declare function resolveColumns(value: number | string | undefined): string | undefined;
export {};