/**
 * Keltner Channels (KC) Indicator
 *
 * Hand-optimized implementation using oakscriptjs.
 * Volatility-based envelope set above and below an exponential moving average.
 * Uses ATR (Average True Range) to set channel distance.
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar, type SourceType } from 'oakscriptjs';
/**
 * Keltner Channels indicator input parameters
 */
export interface KeltnerInputs {
    /** EMA period length */
    length: number;
    /** ATR multiplier */
    mult: number;
    /** Price source */
    src: SourceType;
    /** Use exponential MA (true) or simple MA (false) */
    useEMA: boolean;
    /** Bands style: ATR, True Range, or Range */
    bandsStyle: 'Average True Range' | 'True Range' | 'Range';
    /** ATR period length */
    atrLength: number;
}
/**
 * Default input values matching TradingView defaults
 */
export declare const defaultInputs: KeltnerInputs;
/**
 * Input configuration for UI
 */
export declare const inputConfig: InputConfig[];
/**
 * Plot configuration - order matches CSV: Upper, Basis, Lower
 */
export declare const plotConfig: PlotConfig[];
/**
 * Indicator metadata
 */
export declare const metadata: {
    title: string;
    shortTitle: string;
    overlay: boolean;
};
/**
 * Calculate Keltner Channels indicator
 *
 * @param bars - OHLCV bar data
 * @param inputs - Indicator parameters (optional, uses defaults)
 * @returns Indicator result with plot data
 */
export declare function calculate(bars: Bar[], inputs?: Partial<KeltnerInputs>): IndicatorResult;
/**
 * Keltner Channels indicator module
 */
export declare const KeltnerChannels: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: KeltnerInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
//# sourceMappingURL=keltner.d.ts.map