import type { GeometryBVH } from 'three-mesh-bvh' with { "resolution-mode": "import" };
import type { BVHComputeData } from 'three-mesh-bvh/webgpu' with { "resolution-mode": "import" };
import { type BufferGeometry } from 'three/webgpu';
import type { TSLFloatNode, TSLVec3Node, TSLVec4Node } from '../../types/tsl.cjs';
import { type WGSLNativeFunction } from '../../internal/three/wgsl.cjs';
export interface BVHSignedDistanceParameters {
    point: TSLVec3Node;
    maxDistance: TSLFloatNode;
}
export type BVHSignedDistanceFunction = WGSLNativeFunction<BVHSignedDistanceParameters, TSLVec4Node>;
/**
 * Binds an explicitly supplied triangle BVH to the upstream GPU packer without
 * mutating `geometry.boundsTree` or asking the packer to regenerate the tree.
 */
export interface GeometryBVHComputeData extends BVHComputeData {
    readonly geometry: BufferGeometry;
    readonly geometryBVH: GeometryBVH;
}
/** Create and populate upstream GPU storage for one explicit triangle BVH. */
export declare function createGeometryBVHComputeData(geometry: BufferGeometry, bvh: GeometryBVH): GeometryBVHComputeData;
/** True when a value exposes the new three-mesh-bvh compute-data contract. */
export declare function isBVHComputeData(value: unknown): value is BVHComputeData;
/** Release buffers despite the incomplete 0.9.11 public declaration surface. */
export declare function disposeBVHComputeData(value: BVHComputeData | null): void;
/**
 * Wrap the upstream result struct in the compact tuple used by three-blocks:
 * `vec4(signedDistance, faceNormal.xyz)`.
 */
export declare function createBVHSignedDistanceFn(bvhData: BVHComputeData): BVHSignedDistanceFunction;