/** @packageDocumentation
 * @module WebGL
 */
import { ProgramBuilder, ShaderBuilder } from "../ShaderBuilder";
import { TechniqueFlags } from "../TechniqueFlags";
export declare const finalizeNormal = "\n  return normalize(v_n) * (2.0 * float(gl_FrontFacing) - 1.0);\n";
/** @internal */
export declare function addColorOverrideMix(frag: ShaderBuilder): void;
/** @internal */
export declare function createClassifierRealityMeshHiliter(): ProgramBuilder;
/** @internal */
export declare function createRealityMeshHiliter(): ProgramBuilder;
/** @internal */
export declare function createRealityMeshBuilder(flags: TechniqueFlags): ProgramBuilder;
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