/**
 * BBTrend Indicator
 *
 * Uses the difference between short and long Bollinger Bands
 * to identify trend direction and strength.
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type HLineConfig, type Bar } from 'oakscriptjs';
export interface BBTrendInputs {
    /** Short Bollinger Band length */
    shortLength: number;
    /** Long Bollinger Band length */
    longLength: number;
    /** Standard deviation multiplier */
    stdDev: number;
}
export declare const defaultInputs: BBTrendInputs;
export declare const inputConfig: InputConfig[];
export declare const plotConfig: PlotConfig[];
export declare const hlineConfig: HLineConfig[];
export declare const metadata: {
    title: string;
    shortTitle: string;
    overlay: boolean;
};
export declare function calculate(bars: Bar[], inputs?: Partial<BBTrendInputs>): IndicatorResult;
export declare const BBTrend: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: BBTrendInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
    hlineConfig: HLineConfig[];
};
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