/**
 * BabylonVMD(BVMD) representation
 * prerequisite: frames are sorted by frameNumber
 * condition: padding is inserted between data for create zero-copy typed array
 *
 * signature: uint8[4] "BVMD"
 * version: int8[3] - major, minor, patch
 *
 * boneTrackCount: uint32
 * {
 *  trackName: uint32, uint8[] - length, string
 *  frameCount: uint32
 *  frameNumbers: uint32[frameCount]
 *  rotations: float32[frameCount * 4] - [..., x, y, z, w, ...]
 *  rotationInterpolations: uint8[frameCount * 4] - [..., x1, x2, y1, y2, ...]
 * }[boneTrackCount]
 *
 * moveableBoneTrackCount: uint32
 * {
 *  trackName: uint32, uint8[] - length, string
 *  frameCount: uint32
 *  frameNumbers: uint32[frameCount]
 *  positions: float32[frameCount * 3] - [..., x, y, z, ...]
 *  positionInterpolations: uint8[frameCount * 12] - [..., x_x1, x_x2, x_y1, x_y2, y_x1, y_x2, y_y1, y_y2, z_x1, z_x2, z_y1, z_y2, ...]
 *  rotations: float32[frameCount * 4] - [..., x, y, z, w, ...]
 *  rotationInterpolations: uint8[frameCount * 4] - [..., x1, x2, y1, y2, ...]
 * }[moveableBoneTrackCount]
 *
 * morphTrackCount: uint32
 * {
 *  trackName: uint32, uint8[] - length, string
 *  frameCount: uint32
 *  frameNumbers: uint32[frameCount]
 *  weights: float32[frameCount] - [..., weight, ...]
 * }[morphTrackCount]
 *
 * propertyFrameCount: uint32
 * ikBoneNameCount: uint32
 * frameNumbers: uint32[frameCount]
 * visibles: uint8[frameCount] - [..., visible, ...]
 * {
 *  ikBoneName: uint32 - uint8[] - length, string
 *  ikState: uint8[frameCount] - [..., ikState, ...]
 * }[ikBoneNameCount]
 *
 * cameraFrameCount: uint32
 * frameNumbers: uint32[frameCount]
 * positions: float32[frameCount * 3] - [..., x, y, z, ...]
 * positionInterpolations: uint8[frameCount * 12] - [..., x_x1, x_x2, x_y1, x_y2, y_x1, y_x2, y_y1, y_y2, z_x1, z_x2, z_y1, z_y2, ...]
 * rotations: float32[frameCount * 3] - [..., x, y, z, ...]
 * rotationInterpolations: uint8[frameCount * 4] - [..., x1, x2, y1, y2, ...]
 * distances: float32[frameCount] - [..., distance, ...]
 * distanceInterpolations: uint8[frameCount * 4] - [..., x1, x2, y1, y2, ...]
 * fovs: float32[frameCount] - [..., fov, ...]
 * fovInterpolations: uint8[frameCount * 4] - [..., x1, x2, y1, y2, ...]
 */
import type { MmdAnimation } from "../Animation/mmdAnimation";
/**
 * BVMD converter
 */
export declare class BvmdConverter {
    private constructor();
    /**
     * Convert mmd animation to BVMD
     * @param animation mmd animation from VMD/BVMD
     * @returns converted BVMD
     */
    static Convert(animation: MmdAnimation): ArrayBuffer;
}