import { GpuShaderDefinition } from '../../gpu/porters';
import { transformColor } from '../../utilities/transformations';

export interface ComponentProps {
    /**
     * Built-in cosine palette, or Custom Colors to pick your own stops
     *
     * Accepts one of: `"rainbow"`, `"sunset"`, `"ocean"`, `"fire"`, `"pastel"`, `"neon"`, `"custom"`.
     * @default "rainbow"
     */
    palette: string;
    /**
     * Color for the darkest tones
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#1a0b2e"
     */
    colorLow: Parameters<typeof transformColor>[0];
    /**
     * Color for the midtones
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#e94560"
     */
    colorMid: Parameters<typeof transformColor>[0];
    /**
     * Color for the brightest tones
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#f9ed69"
     */
    colorHigh: Parameters<typeof transformColor>[0];
    /**
     * Gradient animation speed (0 = static). The gradient cycles seamlessly.
     *
     * @default 0.15
     */
    speed: number;
    /**
     * Steepness of the luminance-to-gradient mapping
     *
     * @default 1
     */
    contrast: number;
    /**
     * Input shadow clip — luminance at/below this maps to the start of the gradient
     *
     * @default 0
     */
    blackPoint: number;
    /**
     * Input highlight clip — luminance at/above this maps to the end of the gradient
     *
     * @default 1
     */
    whitePoint: number;
    /**
     * Blend between the original image (0) and the gradient-mapped result (1)
     *
     * @default 1
     */
    strength: number;
    /**
     * Color space for interpolating custom colors
     *
     * Accepts one of the predefined option values.
     * @default "oklch"
     */
    colorSpace: string;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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