/**
 * PPO Divergence Alerts
 *
 * Percentage Price Oscillator with smoothed signal, bottom/top circles,
 * and 4 types each of bearish (orange) and bullish (purple) divergence circles.
 * Source defaults to open. Uses SMA smoother (default 2) on PPO.
 *
 * Reference: TradingView "PPO Divergence Alerts" community indicator
 */
import { type IndicatorResult, type InputConfig, type PlotConfig, type Bar, type SourceType } from 'oakscriptjs';
import type { MarkerData } from '../types';
export interface PPOAlertsInputs {
    fastLength: number;
    slowLength: number;
    smoother: number;
    divLookbackPeriod: number;
    longTermDiv: boolean;
    src: SourceType;
}
export declare const defaultInputs: PPOAlertsInputs;
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<PPOAlertsInputs>): IndicatorResult & {
    markers: MarkerData[];
};
export declare const PPOAlerts: {
    calculate: typeof calculate;
    metadata: {
        title: string;
        shortTitle: string;
        overlay: boolean;
    };
    defaultInputs: PPOAlertsInputs;
    inputConfig: InputConfig[];
    plotConfig: PlotConfig[];
};
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