export interface WorldgenContext {
    minY: number;
    height: number;
    seaLevel: number;
}
export declare type VerticalAnchor = (context: WorldgenContext) => number;
export declare namespace VerticalAnchor {
    function fromJson(obj: unknown): VerticalAnchor;
    function absolute(y: number): VerticalAnchor;
    function aboveBottom(offset: number): VerticalAnchor;
    function belowTop(offset: number): VerticalAnchor;
    function relativeToSeaLevel(offset: number): VerticalAnchor;
}
//# sourceMappingURL=VerticalAnchor.d.ts.map