/**
 * Object Animation Video manifest validation.
 *
 * OAV stores twelve exact 12-bit affine lanes in one UTSBM track (meshopt-coded block assets).
 * The optional diagnostic atlas describes the stable R8 texture exposed by the runtime; it is
 * not a video transport.
 *
 * Format specification: docs/formats/oav-manifest.md
 *
 * @module OAVManifest
 */
import type { IndexedMeshoptTrackDescriptor } from '../MotionTracks/IndexedMeshoptTrack.js';
export declare const OAV_MANIFEST_TYPE = "utsubo-oav";
/** Second public OAV manifest schema: transforms travel as UTSBM block assets. */
export declare const OAV_MANIFEST_VERSION = 2;
export declare const OAV_MATRIX_COMPONENTS: readonly ["m00", "m01", "m02", "m03", "m10", "m11", "m12", "m13", "m20", "m21", "m22", "m23"];
export type OAVMatrixComponent = typeof OAV_MATRIX_COMPONENTS[number];
export type OAVMatrixComponents = typeof OAV_MATRIX_COMPONENTS;
export type OAVAffineComponents = readonly [
    m00: number,
    m01: number,
    m02: number,
    m03: number,
    m10: number,
    m11: number,
    m12: number,
    m13: number,
    m20: number,
    m21: number,
    m22: number,
    m23: number
];
export interface OAVObject {
    index: number;
    name: string;
    parent?: string;
}
export interface OAVQuantization {
    bits: 12;
    min: OAVAffineComponents;
    max: OAVAffineComponents;
}
export interface OAVDiagnosticAtlas {
    width: number;
    height: number;
    tileSize: 2 | 4;
    tileColumns: number;
    symbolsPerObject: 24;
    symbolBits: 6;
    symbolOffset: 24;
    symbolStride: 3;
}
export interface OAVMatrixDescription {
    layout: 'row-major-affine-3x4';
    components: OAVMatrixComponents;
    interpolation: 'linear';
    quantization: OAVQuantization;
}
export interface OAVScene {
    file: string;
    byteLength?: number;
}
/** Validated OAV package manifest. */
export interface OAVManifest {
    type: typeof OAV_MANIFEST_TYPE;
    version: typeof OAV_MANIFEST_VERSION;
    frameCount: number;
    frameRate: number;
    objectCount: number;
    duration: number;
    space: 'local' | 'world';
    coordinateSystem: 'three-y-up';
    objects: OAVObject[];
    matrix: OAVMatrixDescription;
    diagnostics: {
        atlas: OAVDiagnosticAtlas;
    };
    track: IndexedMeshoptTrackDescriptor;
    name?: string;
    generator?: string;
    scene?: OAVScene;
    source?: object;
}
/** Parse, validate, normalize, and freeze an OAV manifest. */
export declare function parseOAVManifest(input: unknown): Readonly<OAVManifest>;