/** Exact OAV quantization, canonical UTSBM frame layout, and matrix helpers. */
import type { Matrix4 } from 'three';
import type { OAVManifest } from './OAVManifest.js';
export declare const OAV_AFFINE_COMPONENT_COUNT = 12;
export declare const OAV_SYMBOLS_PER_COMPONENT = 2;
export declare const OAV_QUANTIZED_MAX = 4095;
export declare const OAV_SYMBOL_MAX = 63;
export declare const OAV_CANONICAL_BYTES_PER_OBJECT: number;
/** Dequantize one object-major integer frame into the existing Float32 affine layout. */
export declare function dequantizeOAVFrame(quantized: ArrayLike<number>, manifest: Readonly<OAVManifest>, out?: Float32Array | null): Float32Array;
/** Interpolate two quantized frames directly into the existing Float32 affine layout. */
export declare function interpolateOAVQuantizedFrames(from: ArrayLike<number>, to: ArrayLike<number>, alpha: number, manifest: Readonly<OAVManifest>, out?: Float32Array | null): Float32Array;
/** Quantize an object-major Float32 affine frame at the declared OAV integer boundary. */
export declare function quantizeOAVFrame(matrices: ArrayLike<number>, manifest: Readonly<OAVManifest>, out?: Uint16Array | null): Uint16Array;
/**
 * Convert canonical UTSBM OAV bytes (twelve component-major little-endian u16 lanes) to the
 * object-major two-byte presentation frame used by the runtime.
 */
export declare function decodeOAVCanonicalFrame(canonical: Uint8Array, objectCount: number, out?: Uint16Array | null): Uint16Array;
/** Encode an object-major quantized frame into canonical component-major UTSBM bytes. */
export declare function encodeOAVCanonicalFrame(quantized: ArrayLike<number>, objectCount: number): Uint8Array;
/** Regenerate the stable diagnostic R8 atlas from one exact quantized frame. */
export declare function encodeOAVDiagnosticLuma(quantized: ArrayLike<number>, manifest: Readonly<OAVManifest>, { flipY, out }?: {
    flipY?: boolean;
    out?: Uint8Array | null;
}): Uint8Array;
/** Convert one row-major affine 3×4 record to THREE.Matrix4.set-compatible arguments. */
export declare function setMatrixFromOAVAffine(matrix: Matrix4, values: ArrayLike<number>, offset?: number): Matrix4;
/** Component-wise interpolate two affine arrays. */
export declare function interpolateOAVFrames(from: ArrayLike<number>, to: ArrayLike<number>, alpha: number, out?: Float32Array | null): Float32Array;
/** Expand a local-space affine frame through its object-parent hierarchy. */
export declare function resolveOAVWorldFrame(local: Float32Array, parentIndices: ArrayLike<number>, out?: Float32Array | null): Float32Array;