import { ValueGenerator, FunctionValueGenerator, ColorGenerator, FunctionColorGenerator } from 'three.quarks';
import type { FlexibleValue, FlexibleColor } from './types.js';
export declare function toValueGenerator(value: FlexibleValue): ValueGenerator | FunctionValueGenerator;
export declare function toColorGenerator(value: FlexibleColor): ColorGenerator | FunctionColorGenerator;
export declare function isDefined<T>(value: T | undefined): value is T;