import { TextureBase } from '@awayjs/renderer';
import { EffectEnvMapMethod, _Shader_EffectEnvMapMethod } from './EffectEnvMapMethod';
/**
 * EffectRefractionEnvMapMethod provides a method to add refracted transparency based on cube maps.
 */
export declare class EffectRefractionEnvMapMethod extends EffectEnvMapMethod {
    private _dispersionR;
    private _dispersionG;
    private _dispersionB;
    private _refractionIndex;
    static assetType: string;
    /**
     * @inheritDoc
     */
    get assetType(): string;
    /**
     * The refractive index of the material.
     */
    get refractionIndex(): number;
    set refractionIndex(value: number);
    /**
     * The amount of chromatic dispersion of the red channel. Defaults to 0 (none).
     */
    get dispersionR(): number;
    set dispersionR(value: number);
    /**
     * The amount of chromatic dispersion of the green channel. Defaults to 0 (none).
     */
    get dispersionG(): number;
    set dispersionG(value: number);
    /**
     * The amount of chromatic dispersion of the blue channel. Defaults to 0 (none).
     */
    get dispersionB(): number;
    set dispersionB(value: number);
    /**
     * Creates a new EffectRefractionEnvMapMethod object. Example values for dispersion are: dispersionR: -0.03, dispersionG: -0.01, dispersionB: = .0015
     *
     * @param envMap The environment map containing the refracted scene.
     * @param refractionIndex The refractive index of the material.
     * @param dispersionR The amount of chromatic dispersion of the red channel. Defaults to 0 (none).
     * @param dispersionG The amount of chromatic dispersion of the green channel. Defaults to 0 (none).
     * @param dispersionB The amount of chromatic dispersion of the blue channel. Defaults to 0 (none).
     */
    constructor(envMap: TextureBase, alpha?: number, refractionIndex?: number, dispersionR?: number, dispersionG?: number, dispersionB?: number);
}
import { ShaderRegisterCache, ShaderRegisterData, ShaderRegisterElement } from '@awayjs/stage';
import { ChunkVO } from '@awayjs/renderer';
/**
 * EffectRefractionEnvMapMethod provides a method to add refracted transparency based on cube maps.
 */
export declare class _Shader_EffectRefractionEnvMapMethod extends _Shader_EffectEnvMapMethod {
    private _useDispersion;
    /**
     * @inheritDoc
     */
    _initVO(chunkVO: ChunkVO): void;
    /**
     * @inheritDoc
     */
    _getFragmentCode(targetReg: ShaderRegisterElement, registerCache: ShaderRegisterCache, sharedRegisters: ShaderRegisterData): string;
    protected _updateProperties(): void;
}
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