import type { Matrix4Like, Node3D, Skeleton3D, Skeleton3DValidationDiagnostic } from '@flighthq/types/contract';
export declare function cloneSkeleton3D(skeleton: Readonly<Skeleton3D>): Skeleton3D;
export declare function cloneSkeleton3DJointHierarchy(skeleton: Readonly<Skeleton3D>, cloneJoint: (joint: Readonly<Node3D>, jointIndex: number) => Node3D): Skeleton3D;
export declare function computeSkeleton3DJointMatrices(skeleton: Readonly<Skeleton3D>): void;
export declare function createSkeleton3D(joints: Node3D[], inverseBindMatrices?: Float32Array, names?: readonly string[] | null): Skeleton3D;
export declare function disposeSkeleton3D(skeleton: Skeleton3D): void;
export declare function equalsSkeleton3D(a: Readonly<Skeleton3D>, b: Readonly<Skeleton3D>): boolean;
export declare function getSkeleton3DJointIndexByName(skeleton: Readonly<Skeleton3D>, name: string): number;
export declare function getSkeleton3DJointWorldMatrix(out: Matrix4Like, skeleton: Readonly<Skeleton3D>, jointIndex: number): boolean;
export declare function getSkeleton3DJointWorldMatrixByName(out: Matrix4Like, skeleton: Readonly<Skeleton3D>, name: string): boolean;
export declare function setSkeleton3DBindPose(skeleton: Readonly<Skeleton3D>): void;
export declare function setSkeleton3DBindPoseGuard(guard: ((skeleton: Readonly<Skeleton3D>, jointIndex: number) => void) | null): void;
export declare function validateSkeleton3D(skeleton: Readonly<Skeleton3D>): Skeleton3DValidationDiagnostic | null;
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