/**
 * Read a CSS custom property from the editor theme scope.
 * Prefer passing a node inside the editor (e.g. host.stageState.wrapperEl).
 */
export declare function cssVar(name: string, el?: Element | null): string;
/**
 * Resolve a color token to a computed color (rgb/rgba) that canvas/Konva can use.
 * getPropertyValue alone may return nested `var(...)` which Konva cannot paint.
 */
export declare function cssColorVar(name: string, el?: Element | null): string;
/**
 * Resolve color-mix against a token (e.g. primary @ 16% transparent) for Konva fills.
 */
export declare function cssColorMix(name: string, percent: number, el?: Element | null, space?: string): string;