import { BlockContentTrait, IBlockTraitData, ITraitConfig } from "./ContentTraits";
/**
 * Slippery - low-friction surface like ice.
 * Friction range is 0.0-0.9 where lower = more slippery.
 * Default block friction is 0.4; this uses 0.1 for a very slippery surface.
 */
export declare class SlipperyBlockTrait extends BlockContentTrait {
    get id(): string;
    getData(config?: ITraitConfig): IBlockTraitData;
}