import { type AnyNode, type WallPaintRole as CoreWallPaintRole, type PaintCapability, type WallFace, type WallNode, type WallSurfaceSlotId, wallRegionRole, wallRoomFaceRole, wallRoomFinishRole } from '@pascal-app/core';
import { type BufferGeometry, type Ray } from 'three';
type ResolvedWallPaintRole = {
    kind: 'slot';
    slotId: WallSurfaceSlotId | CurtainWallRole;
} | Exclude<CoreWallPaintRole, {
    kind: 'slot';
}>;
declare const CURTAIN_WALL_ROLES: readonly ['curtain-frame', 'curtain-glass', 'curtain-solid'];
type CurtainWallRole = (typeof CURTAIN_WALL_ROLES)[number];
export { wallRegionRole, wallRoomFaceRole, wallRoomFinishRole };
export declare function parseWallPaintRole(role: string): ResolvedWallPaintRole | null;
/**
 * Resolve which wall surface the user clicked: a trim slot, a paint region,
 * the room finish on that face, or the face slot itself. Returns null when the
 * click is too oblique (or lands on the wall's end-cap, etc.) to pick a face.
 */
export declare function resolveWallRole(args: {
    node: WallNode;
    hitObject?: {
        userData?: {
            slotId?: unknown;
        };
    };
    materialIndex: number | null;
    normal: readonly [number, number, number] | undefined;
    localPosition: readonly [number, number, number] | undefined;
    ray?: Ray;
    nodes?: Readonly<Record<string, AnyNode | undefined>>;
}): string | null;
/**
 * The wall's face triangles regrouped by the material index `indexFor` gives
 * each (the face and station its centre lies at); caps keep theirs. Null when
 * nothing moves.
 */
export declare function regroupWallFaces(geometry: BufferGeometry, wall: WallNode, indexFor: (face: WallFace, u: number, v: number) => number | null): BufferGeometry['groups'] | null;
/**
 * Capability binding for the wall kind on the unified slot model. Face and trim
 * slots write `node.slots[slotId]` like every other kind; regions write the
 * region's finish and room roles write the zone, because a room's wall finish
 * belongs to the room, not to one of its walls.
 */
export declare const wallPaint: PaintCapability;
//# sourceMappingURL=paint.d.ts.map