import type { BufferGeometry } from 'three';
/** A run of one face's base, in wall-local x (m) and local y. */
export type WallFaceBaseRun = {
    start: number;
    end: number;
    y: number;
};
/**
 * What the wall's material array and the paint resolver need from a build: the
 * finish refs behind material indices 3.. and each face's base runs (null when
 * both faces stand on the wall's own base).
 */
export type WallFinishGeometryData = {
    refs: readonly string[];
    faceBase: Record<'a' | 'b', WallFaceBaseRun[]> | null;
};
export declare function getWallFinishData(geometry: BufferGeometry | undefined | null): WallFinishGeometryData | undefined;
/** Finish refs a built wall geometry's material indices 3.. point at. */
export declare function getWallFinishRefs(geometry: BufferGeometry | undefined | null): readonly string[];
/** Local y of a face's base at wall-local station `x` (0 when the faces share the wall base). */
export declare function getWallFaceBaseAt(data: Pick<WallFinishGeometryData, 'faceBase'> | undefined, face: 'a' | 'b', x: number): number;
//# sourceMappingURL=wall-finish-data.d.ts.map