/**
 * Custom Donchian Channels
 *
 * Donchian channels with midline. Upper = highest high, Lower = lowest low,
 * Mid = (upper + lower) / 2.
 *
 * Reference: TradingView "Custom Donchian Channels" (community)
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar } from 'oakscriptjs';
export interface DonchianCustomInputs {
    upperLen: number;
    lowerLen: number;
}
export declare const defaultInputs: DonchianCustomInputs;
export declare const inputConfig: InputConfig[];
export declare const plotConfig: PlotConfig[];
export declare const metadata: {
    title: string;
    shortTitle: string;
    overlay: boolean;
};
export declare function calculate(bars: Bar[], inputs?: Partial<DonchianCustomInputs>): IndicatorResult;
export declare const DonchianCustom: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: DonchianCustomInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
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