import { SpecularBasicMethod, _Shader_SpecularBasicMethod } from './SpecularBasicMethod';
/**
 * SpecularAnisotropicMethod provides a specular method resulting in anisotropic
 * highlights. These are typical for surfaces with microfacet details such as
 * tiny grooves. In particular, this uses the Heidrich-Seidel distrubution. The
 * tangent vectors are used as the surface groove directions.
 */
export declare class SpecularAnisotropicMethod extends SpecularBasicMethod {
    static assetType: string;
    /**
     * @inheritDoc
     */
    get assetType(): string;
    /**
     * Creates a new SpecularAnisotropicMethod object.
     */
    constructor();
}
import { ShaderRegisterCache, ShaderRegisterData, ShaderRegisterElement } from '@awayjs/stage';
import { ChunkVO } from '@awayjs/renderer';
import { LightingShader } from '../shaders/LightingShader';
/**
 * _Shader_SpecularAnisotropicMethod provides a specular method resulting in
 * anisotropic highlights. These are typical for surfaces with microfacet
 * details such as tiny grooves. In particular, this uses the Heidrich-Seidel
 * distrubution. The tangent vectors are used as the surface groove directions.
 */
export declare class _Shader_SpecularAnisotropicMethod extends _Shader_SpecularBasicMethod {
    /**
     * Creates a new EffectEnvMapChunk.
     */
    init(method: SpecularAnisotropicMethod, shader: LightingShader): void;
    /**
     * @inheritDoc
     */
    _initVO(chunkVO: ChunkVO): void;
    /**
     * @inheritDoc
     */
    _getFragmentCodePerLight(lightDirReg: ShaderRegisterElement, lightColReg: ShaderRegisterElement, registerCache: ShaderRegisterCache, sharedRegisters: ShaderRegisterData): string;
}
//# sourceMappingURL=SpecularAnisotropicMethod.d.ts.map