/**
 * BatchedTextNode - TSL node for BatchedText vertex transforms.
 *
 * This node follows the BatchNode pattern from three.js:
 * 1. First applies shared glyph transformation via textGlyphTransform
 * 2. Then applies per-member matrix transforms and billboarding
 *
 * The separation of concerns allows code reuse with TextNode while adding
 * batching-specific functionality (per-member matrices, billboarding).
 *
 * @module BatchedTextNode
 */
import type { BufferAttribute, InstancedInterleavedBuffer, StorageBufferAttribute, StorageInstancedBufferAttribute } from 'three/webgpu';
import type { TextNodeSource } from './TextNode.js';
import type { TSLFloatNode, TSLFunction, TSLUniformNode, TSLVec3Node } from '../types/tsl.js';
export interface BatchedTextNodeSource extends TextNodeSource {
    _usePackedGlyphs: boolean;
    _glyphPackedBoundsSIBA: StorageInstancedBufferAttribute | null;
    _glyphPackedMetaSSBO: StorageBufferAttribute | null;
    instanceMatrix: BufferAttribute | null;
    _paramsABuffer: InstancedInterleavedBuffer;
    _paramsBBuffer: InstancedInterleavedBuffer;
    _visFallbackSSBO: StorageBufferAttribute;
}
/**
 * Creates a TSL Fn that computes BatchedText vertex transforms.
 *
 * This function:
 * 1. Reads per-member parameters from storage buffers
 * 2. Uses shared textGlyphTransform for glyph geometry (code reuse with TextNode)
 * 3. Applies per-member matrix transformation
 * 4. Handles billboarding and curvature
 *
 * This node should be used in `material.setupVertex` to handle batched text geometry transformation.
 *
 * This implementation-level API is intentionally internal and has no public package import.
 */
export declare function batchedText(batchedText: BatchedTextNodeSource, uBillboard: TSLFloatNode | TSLUniformNode<'float', number>): TSLFunction<[], TSLVec3Node>;