/**
 * Directional Movement Index (DMI) Indicator
 *
 * Shows trend direction and strength using +DI, -DI, and ADX lines.
 *
 * Based on TradingView's DMI indicator.
 */
import { type Bar, type IndicatorResult, type InputConfig, type PlotConfig } from 'oakscriptjs';
export interface DMIInputs {
    /** ADX Smoothing length */
    adxSmoothing: number;
    /** DI Length */
    diLength: number;
}
export declare const defaultInputs: DMIInputs;
export declare const inputConfig: InputConfig[];
export declare const plotConfig: PlotConfig[];
export declare const metadata: {
    title: string;
    shortTitle: string;
    overlay: boolean;
};
/**
 * Calculate DMI
 *
 * Algorithm from PineScript:
 * up = ta.change(high)
 * down = -ta.change(low)
 * plusDM = na(up) ? na : (up > down and up > 0 ? up : 0)
 * minusDM = na(down) ? na : (down > up and down > 0 ? down : 0)
 * trur = ta.rma(ta.tr, len)
 * plus = fixnan(100 * ta.rma(plusDM, len) / trur)
 * minus = fixnan(100 * ta.rma(minusDM, len) / trur)
 * sum = plus + minus
 * adx = 100 * ta.rma(math.abs(plus - minus) / (sum == 0 ? 1 : sum), lensig)
 */
export declare function calculate(bars: Bar[], inputs?: Partial<DMIInputs>): IndicatorResult;
export declare const DMI: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: DMIInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
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