/**
 * Get a derived material with instancing upgrades for the given base material.
 * The result is cached by baseMaterial+instanceUniforms so we always get the same instance
 * back rather than getting a clone each time and having to re-upgrade every frame.
 */
export function getInstancingDerivedMaterial(baseMaterial: any, instanceUniforms: any): any;
/**
 * Transform the given vertex and fragment shader pair so they accept instancing
 * attributes for the builtin matrix uniforms as well as any other uniforms that
 * have been declared as instanceable.
 */
export function upgradeShaders(vertexShader: any, fragmentShader: any, instanceUniforms: any): {
    vertexShader: any;
    fragmentShader: any;
};