import { TextureVariable, TextureVariableData } from './TextureVariable';
import { BaseGlNodeType } from '../../_Base';
import { PolyScene } from '../../../../scene/PolyScene';
import { ShaderName } from '../../../utils/shaders/ShaderName';
export type TextureAllocationData = TextureVariableData[];
export declare const TEXTURE_ALLOCATION_PREFIX = "texture_";
export declare const TEXTURE_ALLOCATION_NAMES_SEPARATOR = "_x_";
export declare class TextureAllocation {
    private _variables;
    private _size;
    constructor();
    addVariable(variable: TextureVariable): void;
    hasSpaceForVariable(variable: TextureVariable): boolean;
    shaderName(): ShaderName;
    textureName(): string;
    variables(): TextureVariable[] | undefined;
    variablesForInputNode(root_node: BaseGlNodeType): TextureVariable[] | undefined;
    inputNamesForNode(root_node: BaseGlNodeType): string[] | undefined;
    variable(variable_name: string): TextureVariable | undefined;
    static fromJSON(data: TextureAllocationData): TextureAllocation;
    toJSON(scene: PolyScene): TextureAllocationData;
}