import type { PointCloudPlacement } from '../pointcloud/pointCloudPlacement';
import type * as THREE from 'three';
export type PlacementMode = 'translate' | 'rotate' | 'scale';
/** What a target can actually persist. The card hides any control outside this. */
export interface PlacementCapabilities {
    rotation: 'yaw' | 'full';
    scale: boolean;
}
export declare const FULL_PLACEMENT: PlacementCapabilities;
export declare const YAW_ONLY_PLACEMENT: PlacementCapabilities;
export declare const SCALABLE_OBJECT_PLACEMENT: PlacementCapabilities;
/**
 * One thing the placement editor can move. Adapters are the only code that knows how a given
 * kind of target reads and stores its transform.
 */
export interface PlacementTarget {
    id: string;
    name: string;
    capabilities: PlacementCapabilities;
    object(): THREE.Object3D | null;
    read(): PointCloudPlacement;
    apply(placement: PointCloudPlacement): void;
    /** A gizmo drag in scene metres, for a target whose own placement is in other units. */
    applyDrag?(object: THREE.Object3D): void;
    bounds(): THREE.Vector3 | null;
    commit(placement: PointCloudPlacement): Promise<void>;
    /** Asked before a changed placement is saved; false puts the target back where the session began. */
    confirmCommit?(next: PointCloudPlacement, previous: PointCloudPlacement): Promise<boolean>;
}
/** Strips whatever the target cannot store, so a dropped value never reaches the user as saved. */
export declare function narrowPlacement(placement: PointCloudPlacement, capabilities: PlacementCapabilities): PointCloudPlacement;
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