/**
 * Shader override for the interactive hex mesh.
 *
 * Minimal shader for the focused hex mesh: per-vertex roughness/metalness
 * + optional fill light + terrain bump + edge blend + metallic sheen.
 * Liquid surfaces are handled by the stacked hex liquid shell
 * ({@link buildLiquidShell}) on the layered planet path; the hex mesh
 * only draws the sol prisms.
 */
import * as THREE from 'three';
import type { GraphicsUniforms } from './hexGraphicsUniforms';
/**
 * Applies per-vertex roughness/metalness, terrain bump-mapping, edge
 * blending and metallic sheen to the interactive hex mesh material.
 *
 * @param graphicsUniforms - Per-body uniform bag — wires `uTerrainBumpEnabled`,
 *                           `uEdgeBlendEnabled`, `uBumpStrength`, `uEdgeBlendStrength`
 *                           into the shader.
 */
export declare function applyHexShader(m: THREE.MeshStandardMaterial, fillUniform: {
    value: number;
}, timeUniform: {
    value: number;
}, metallicSheen: number, graphicsUniforms: GraphicsUniforms): void;
//# sourceMappingURL=hexShaderOverride.d.ts.map