/**
 * Relative Strength Index (RSI)
 */
import type { OHLCV } from "../../types/index.js";
export declare function calculateRSI(data: OHLCV[], period?: number): number[];
/**
 * Get latest RSI value
 */
export declare function getLatestRSI(data: OHLCV[], period?: number): number;
/**
 * Check if RSI is in oversold zone
 */
export declare function isRSIOversold(value: number): boolean;
/**
 * Check if RSI is in overbought zone
 */
export declare function isRSIOverbought(value: number): boolean;
/**
 * Detect RSI crossover above oversold level
 */
export declare function rsiCrossoverOversold(rsi: number[]): boolean;
/**
 * Detect RSI crossunder below overbought level
 */
export declare function rsiCrossunderOverbought(rsi: number[]): boolean;
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