/**
 * This file is dedicted to the all important step of processing desired inputs from the layer
 * and coming up with automated generated uniforms and attributes that the shader's will need
 * in order to operate with the conveniences the library offers. This includes things such as
 * injecting camera projection uniforms, resource uniforms, animation adjustments etc etc.
 */
import { Instance } from "../../instance-provider/instance";
import { ProcessShaderImportResults } from "../../shaders/processing/shader-processor";
import { IInstanceAttribute, IShaderInitialization, IUniformInternal, IVertexAttributeInternal } from "../../types";
import { BaseIOSorting } from "../base-io-sorting";
import { ILayerProps, Layer } from "../layer";
import { BaseIOExpansion } from "./base-io-expansion";
/**
 * This is the primary method that analyzes all shader IO and determines which elements needs to be automatically injected
 * into the shader.
 *
 * @param gl The WebGL context this is being utilized on behalf of.
 * @param layer The layer who's ShaderIO we're analyzing and developing.
 * @param shaderIO The initial ShaderIO the layer has provided.
 * @param ioExpansion The list of BaseIOExpansion objects we will use to expand and process the layer's initial Shader IO
 * @param sortIO  The methods to sort the IO configurations
 * @param importResults The Shader IO object provided by the layer after it's had it's imports analyzed from the provided shader.
 */
export declare function injectShaderIO<T extends Instance, U extends ILayerProps<T>>(gl: WebGLRenderingContext, layer: Layer<T, U>, shaderIO: IShaderInitialization<T>, ioExpansion: BaseIOExpansion[], sortIO: BaseIOSorting, importResults: ProcessShaderImportResults): {
    instanceAttributes: IInstanceAttribute<Instance>[];
    uniforms: IUniformInternal[];
    vertexAttributes: IVertexAttributeInternal[];
};