import type { BlockShape, BlockCollisionHint, BlockShapeID, FaceDefinition } from "../BlockShape.ts";
import { FACE } from "../../utils/math.ts";
/**
 * RampCornerInner — concave inner corner where two ramps meet.
 * Has two full solid walls at PosZ (z=1) and PosX (x=1), a flat bottom,
 * and a diagonal slope face rising toward the corner (x=1, z=1).
 *
 * Occludes: NegY, PosZ, PosX.
 * Diagonal slope uses PosY as culling direction.
 */
export declare class RampCornerInner implements BlockShape {
    readonly id: BlockShapeID;
    readonly collisionHint: BlockCollisionHint;
    constructor(id?: BlockShapeID);
    readonly faces: readonly FaceDefinition[];
    occludes(face: FACE): boolean;
}
/**
 * RampCornerOuter — convex outer corner (quarter-pyramid).
 * Peaks at (x=0, z=1) with height 1; all other corners at y=0.
 *
 * Faces:
 *  - NegY: full bottom quad
 *  - NegX (x=0): rising left wall triangle
 *  - PosZ (z=1): rising back wall triangle
 *  - Two diagonal slope triangles
 *
 * Occludes: only NegY (full bottom).
 */
export declare class RampCornerOuter implements BlockShape {
    readonly id: BlockShapeID;
    readonly collisionHint: BlockCollisionHint;
    constructor(id?: BlockShapeID);
    readonly faces: readonly FaceDefinition[];
    occludes(face: FACE): boolean;
}
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