import type { HelixRoom } from '../multiplayer.js';
import { AVATAR_POSE_LIMITS, AVATAR_POSE_MASK_ALL, AVATAR_POSE_SOURCE_ALL, AVATAR_POSE_VERSION, AvatarPoseMask, AvatarPoseSource, decodeAvatarPoseReplica, decodeAvatarPoseWire, encodeAvatarPose, sanitizeAvatarPoseWire, type AvatarPoseInputV1, type AvatarPoseReplicaStateV1, type AvatarPoseWireV1, type FingerCurls, type FingerCurlsU8, type HeadPoseI16, type QuatI16 } from '../multiplayer-contract/avatar-pose.js';
/**
 * Engine/server-only semantic pose. This subpath is intentionally absent from the creator-facing root,
 * multiplayer contract, HelixRoom state, and generated runtime API inventory.
 */
export type InternalAvatarPoseV1 = AvatarPoseInputV1;
export interface InternalAvatarPoseCapabilityV1 {
    readonly version: typeof AVATAR_POSE_VERSION;
    /** Set the pose sampled alongside the next ordinary sendState frame. null explicitly clears tracking. */
    setLocalPose(pose: InternalAvatarPoseV1 | null): void;
    /** Decode the reflected transport child. Missing, old, neutral, or malformed data returns null. */
    decodeReplica(player: unknown): InternalAvatarPoseV1 | null;
}
/**
 * Feature-detect the private humanoid transport seam on a room handle. Symbol.for keeps this working when the
 * room creator and humanoid runtime resolve different copies of the SDK. A previous/foreign room returns null.
 */
export declare function getInternalAvatarPoseCapability(room: unknown): InternalAvatarPoseCapabilityV1 | null;
/** SDK-internal installer used while constructing the curated HelixRoom handle. */
export declare function installInternalAvatarPoseCapability(room: HelixRoom, capability: InternalAvatarPoseCapabilityV1): InternalAvatarPoseCapabilityV1;
/** Read a reflected child without adding it to the public PlayerState type. */
export declare function decodeInternalAvatarPoseReplica(player: unknown): InternalAvatarPoseV1 | null;
export { AVATAR_POSE_LIMITS, AVATAR_POSE_MASK_ALL, AVATAR_POSE_SOURCE_ALL, AVATAR_POSE_VERSION, AvatarPoseMask, AvatarPoseSource, decodeAvatarPoseReplica, decodeAvatarPoseWire, encodeAvatarPose, sanitizeAvatarPoseWire, };
export type { AvatarPoseReplicaStateV1 as InternalAvatarPoseReplicaStateV1, AvatarPoseWireV1 as InternalAvatarPoseWireV1, FingerCurls as InternalFingerCurls, FingerCurlsU8 as InternalFingerCurlsU8, HeadPoseI16 as InternalHeadPoseI16, QuatI16 as InternalQuatI16, };