/**
 * Linear Regression Channel
 *
 * Separate linear regressions on high and low, plus deviation bands.
 * a = linreg(high, len)
 * b = linreg(low, len)
 * c = b - dev(low, len)   (lower band)
 * d = a + dev(high, len)  (upper band)
 * c and d colored by direction (green rising, red falling).
 *
 * Reference: TradingView "Linear Regression Channel" (LRC_SH)
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar } from 'oakscriptjs';
export interface LinearRegressionChannelInputs {
    length: number;
}
export declare const defaultInputs: LinearRegressionChannelInputs;
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<LinearRegressionChannelInputs>): IndicatorResult;
export declare const LinearRegressionChannel: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: LinearRegressionChannelInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
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