import * as postcss from 'postcss';
import * as sass from 'sass';
import { NodeProps } from '../node';
import { RawWithValue } from '../raw-with-value';
import type * as sassInternal from '../sass-internal';
import { Expression } from '.';
/**
 * The initializer properties for {@link ColorExpression}.
 *
 * @category Expression
 */
export interface ColorExpressionProps extends NodeProps {
    raws?: ColorExpressionRaws;
    /**
     * The color value for the expression. This must be in the RGB color space,
     * or {@link ColorExpression} will throw an error.
     */
    value: sass.SassColor;
}
/**
 * Raws indicating how to precisely serialize a {@link ColorExpression}.
 *
 * @category Expression
 */
export interface ColorExpressionRaws {
    /**
     * The raw string representation of the color.
     *
     * Colors can be represented as named keywords or as hex codes, with or
     * without capitalizations and with a varying number of digits.
     */
    value?: RawWithValue<sass.SassColor>;
}
/**
 * An expression representing a color literal in Sass.
 *
 * @category Expression
 */
export declare class ColorExpression extends Expression {
    readonly sassType: "color";
    raws: ColorExpressionRaws;
    /**
     * The color represented by this expression. This will always be a color in
     * the RGB color space.
     *
     * Throws an error if this is set to a non-RGB color.
     */
    get value(): sass.SassColor;
    set value(value: sass.SassColor);
    private _value;
    constructor(defaults: ColorExpressionProps);
    /** @hidden */
    constructor(_: undefined, inner: sassInternal.ColorExpression);
    clone(overrides?: Partial<ColorExpressionProps>): this;
    toJSON(): object;
    /** @hidden */
    toJSON(_: string, inputs: Map<postcss.Input, number>): object;
    /** @hidden */
    toString(): string;
    /** @hidden */
    get nonStatementChildren(): ReadonlyArray<never>;
}