export interface HuaInput {
    method: 'number' | 'time' | 'observation';
    numbers?: number[];
    question?: string;
    observation?: string;
    observedTrigrams?: number[];
}
export interface HuaResult {
    mainHexagram: {
        upper: any;
        lower: any;
        hexagram: any;
    };
    tiGua: {
        trigram: any;
        position: 'upper' | 'lower';
    };
    yongGua: {
        trigram: any;
        position: 'upper' | 'lower';
    };
    dongYao: number;
    changedHexagram: any;
    mutualHexagram: any;
    wuxingAnalysis: {
        tiElement: string;
        yongElement: string;
        relation: string;
        verdict: string;
    };
    wangShuai: {
        season: string;
        tiWang: boolean;
        yongWang: boolean;
        analysis: string;
    };
    meta: {
        method: string;
        inputNumbers: number[];
        question?: string;
        timestamp: string;
    };
}
export declare function calculateHua(input: HuaInput): HuaResult;