/**
 * Bollinger BandWidth Indicator
 *
 * Measures the width of Bollinger Bands as a percentage of the basis.
 * BBW = ((Upper - Lower) / Basis) * 100
 * Useful for identifying squeezes (low values) and expansions (high values).
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar, type SourceType } from 'oakscriptjs';
export interface BBBandWidthInputs {
    /** Period length */
    length: number;
    /** Price source */
    src: SourceType;
    /** Standard deviation multiplier */
    mult: number;
    /** Highest expansion lookback length */
    expansionLength: number;
    /** Lowest contraction lookback length */
    contractionLength: number;
}
export declare const defaultInputs: BBBandWidthInputs;
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<BBBandWidthInputs>): IndicatorResult;
export declare const BBBandWidth: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: BBBandWidthInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
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