import type { Environment } from './Environment';
export interface BufferLocation {
    start: number;
    size: number;
}
/**
 * a format representing an env file and where the various parts are located in the buffer
 */
export interface EnvFormat {
    /**
     * size of the specular environment cube
     */
    size: number;
    /**
     * number of mip levels of the textures
     */
    mipLevels: number;
    /**
     * is the data compressed (affects how it is packed / unpacked)
     */
    compress: boolean;
    /**
     * the location of the Spherical Harmonic data in the buffer
     */
    sphericalHarmonics: BufferLocation;
    /**
     * location of all the textures and the mip levels within the main buffer
     * each cube side has an array of textures representing the mip map levels
     */
    sides: {
        posx: BufferLocation[];
        negx: BufferLocation[];
        posy: BufferLocation[];
        negy: BufferLocation[];
        posz: BufferLocation[];
        negz: BufferLocation[];
    };
}
/**
 * Takes an arraybuffer and unpacks it returning an Environment Object
 *
 * @param buffer - the buffer to unpack
 * @returns a shiny new environment object
 */
export declare function parseEnv(buffer: ArrayBuffer): Promise<Environment>;
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