/**
 * Enum defining the mode of a NodeMaterialBlockConnectionPoint
 */
export declare enum NodeMaterialBlockConnectionPointMode {
    /** Value is an uniform */
    Uniform = 0,
    /** Value is a mesh attribute */
    Attribute = 1,
    /** Value is a varying between vertex and fragment shaders */
    Varying = 2,
    /** Mode is undefined */
    Undefined = 3
}