/**
 * BatchedTextColorNode - TSL Node for BatchedText SDF color and opacity rendering.
 *
 * Similar to TextColorNode but adapted for BatchedText's per-member
 * color/fill parameters stored in storage buffers.
 *
 * @module BatchedTextColorNode
 */
import { Node } from 'three/webgpu';
import type { NodeBuilder } from 'three/webgpu';
import type { TSLNodeFactory, TSLTextureNode, TSLVec4Node } from '../types/tsl.js';
import type { BatchedTextNodeSource } from './BatchedTextNode.js';
export interface BatchedTextColorNodeSource extends BatchedTextNodeSource {
    sdfMap: TSLTextureNode | undefined;
}
export interface BatchedTextColorNodeFactory extends TSLNodeFactory<[
    batchedText: BatchedTextColorNodeSource | null,
    baseDiffuse?: TSLVec4Node | null
], TSLVec4Node> {
    setParameterLength(length: number): this;
}
/**
 * BatchedTextColorNode handles SDF-based color and opacity for BatchedText rendering.
 * It computes fill color, outline color, and proper alpha based on
 * signed distance field values, using per-member parameters from storage buffers.
 *
 * @augments Node
 */
declare class BatchedTextColorNode extends Node<'vec4'> {
    static get type(): string;
    /**
     * Constructs a new BatchedTextColorNode.
     *
     * @param {BatchedText} batchedText - Reference to the BatchedText instance.
     */
    batchedText: BatchedTextColorNodeSource | null;
    baseDiffuse: TSLVec4Node | null;
    constructor(batchedText: BatchedTextColorNodeSource | null, baseDiffuse?: TSLVec4Node | null);
    /**
     * Sets up the SDF color and opacity computation.
     * Modifies diffuseColor with the computed SDF-based color and alpha.
     *
     * @param {NodeBuilder} builder - The current node builder.
     */
    setup(builder: NodeBuilder): TSLVec4Node;
}
export default BatchedTextColorNode;
/**
 * TSL function for creating a BatchedTextColorNode.
 *
 * This node handles SDF-based rendering for BatchedText, computing fill and outline
 * colors and opacity based on signed distance fields. It reads per-member colors from
 * storage buffers and applies visibility masking for GPU culling.
 *
 * This node should be used in `material.setupDiffuseColor` to override the diffuse
 * color with SDF rendering.
 *
 * This implementation-level API is intentionally internal and has no public package import.
 */
export declare const batchedTextColor: BatchedTextColorNodeFactory;