import { FormatVersion } from "../types/format-version";
interface Fraction {
    numerator: number;
    denominator: number;
}
interface DistributionObject {
    distribution: "uniform" | "fixed_grid" | "jittered_grid" | "gaussian" | "inverse_gaussian" | "triangle";
    extent: [number, number];
}
/** */
export interface FeatureRule extends Readonly<FormatVersion> {
    /** */
    format_version: string;
    /** */
    "minecraft:feature_rules": {
        description: {
            identifier: string;
            places_feature: string;
        };
        conditions: {
            placement_pass: string;
            "minecraft:biome_filter": object;
        };
        distribution: {
            iterations: number | string;
            x: string | Fraction | DistributionObject;
            y: string | Fraction | DistributionObject;
            z: string | Fraction | DistributionObject;
        };
    };
}
/** */
export declare namespace FeatureRule {
    /**
     *
     * @param value
     * @returns
     */
    function is(value: any): value is FeatureRule;
}
export {};