import { TypedGlNode } from './_Base';
import { NodeParamsConfig } from '../utils/params/ParamsConfig';
import { ShadersCollectionController } from './code/utils/ShadersCollectionController';
declare class SDFUnionGlParamsConfig extends NodeParamsConfig {
    smooth: import("./../utils/params/ParamsConfig").ParamTemplate<import("../../index_all").ParamType.BOOLEAN>;
}
export declare class SDFUnionGlNode extends TypedGlNode<SDFUnionGlParamsConfig> {
    paramsConfig: SDFUnionGlParamsConfig;
    static type(): string;
    initializeNode(): void;
    private _glInputName;
    private _glOutputName;
    private _expectedInputTypes;
    private _expectedOutputTypes;
    setLines(shadersCollectionController: ShadersCollectionController): void;
}
export {};