import { CompositionType } from '../../definitions';
import type { ComponentTypeEnum } from '../../definitions/ComponentType';
import type { IScalar } from '../../math/IVector';
import { ConstantVariableShaderNode } from './ConstantVariableShaderNode';
/**
 * A shader node that represents a constant scalar variable.
 * This node extends the base ConstantVariableShaderNode specifically for scalar values,
 * providing functionality to set and manage scalar constant values in shader programs.
 *
 * @template T - The component type enum that defines the data type of the scalar value
 */
export declare class ConstantScalarVariableShaderNode<T extends ComponentTypeEnum> extends ConstantVariableShaderNode<typeof CompositionType.Scalar, T> {
    /**
     * Creates a new ConstantScalarVariableShaderNode instance.
     *
     * @param componentType - The component type that defines the data type of the scalar value
     */
    constructor(componentType: T);
    /**
     * Sets the default input value for this constant scalar shader node.
     * This method updates the underlying constant value used by the shader.
     *
     * @param value - The scalar value to set as the constant input value
     */
    setDefaultInputValue(value: IScalar): void;
}