/**
 * Supertrend Indicator
 *
 * A trend-following overlay indicator that uses ATR to calculate
 * dynamic support/resistance levels.
 *
 * PineScript display:
 *   upTrend =   plot(direction < 0 ? supertrend : na, "Up Trend",   style = plot.style_linebr)
 *   downTrend = plot(direction < 0 ? na : supertrend, "Down Trend", style = plot.style_linebr)
 *   bodyMiddle = plot((open + close) / 2, display = display.none)
 *   fill(bodyMiddle, upTrend,   color = color.new(color.green, 90), fillgaps = false)
 *   fill(bodyMiddle, downTrend, color = color.new(color.red,   90), fillgaps = false)
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar } from 'oakscriptjs';
/**
 * Supertrend indicator input parameters
 */
export interface SupertrendInputs {
    /** ATR period length */
    atrPeriod: number;
    /** ATR multiplier factor */
    factor: number;
}
/**
 * Default input values matching TradingView defaults
 */
export declare const defaultInputs: SupertrendInputs;
/**
 * Input configuration for UI
 */
export declare const inputConfig: InputConfig[];
/**
 * Plot configuration
 * plot2 (bodyMiddle) is invisible — used only as a fill anchor
 */
export declare const plotConfig: PlotConfig[];
/**
 * Indicator metadata
 */
export declare const metadata: {
    title: string;
    shortTitle: string;
    overlay: boolean;
};
/**
 * Calculate Supertrend indicator
 */
export declare function calculate(bars: Bar[], inputs?: Partial<SupertrendInputs>): IndicatorResult;
/**
 * Supertrend indicator module
 */
export declare const Supertrend: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: SupertrendInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
//# sourceMappingURL=supertrend.d.ts.map