/**
 * @module strategies/strategy-store
 * @description File-based strategy store with JSON persistence.
 *
 * Strategies are stored as JSON files in ~/.config/mcp-sap/strategies/<category>/<name>.json
 * Each strategy has a version number, active flag, and arbitrary JSON config.
 *
 * The store uses synchronous file I/O (strategies are small JSON files).
 * The directory structure is:
 *   ~/.config/mcp-sap/strategies/
 *     defi/
 *       jupiter-arb.json
 *     trading/
 *       volatility-breakout.json
 *     meme/
 *       newlisting-snipe.json
 *     payments/
 *       x402-budget.json
 *     premium/
 *       pyth-watch.json
 */
/**
 * @name StrategyRecord
 * @description A stored strategy with metadata.
 */
export interface StrategyRecord {
    /** Strategy category (defi, trading, meme, payments, premium). */
    category: string;
    /** Strategy name (e.g. "volatility-breakout"). */
    name: string;
    /** JSON strategy configuration. */
    config: string;
    /** Strategy version — incremented on each update. */
    version: number;
    /** Whether the strategy is active. */
    active: boolean;
    /** ISO 8601 creation timestamp. */
    createdAt: string;
    /** ISO 8601 last update timestamp. */
    updatedAt: string;
    /** File path of the strategy. */
    path: string;
}
/**
 * @name getStrategiesRoot
 * @description Returns the strategies root directory.
 */
export declare function getStrategiesRoot(): string;
/**
 * @name saveStrategy
 * @description Saves or updates a strategy JSON file.
 */
export declare function saveStrategy(input: {
    category: string;
    name: string;
    config: string;
    active?: boolean;
}): {
    success: boolean;
    path: string;
    version: number;
    created: boolean;
};
/**
 * @name loadStrategy
 * @description Loads a strategy by category and name.
 */
export declare function loadStrategy(category: string, name: string): StrategyRecord | null;
/**
 * @name listStrategies
 * @description Lists all strategies, optionally filtered by category and active status.
 */
export declare function listStrategies(category?: string, activeOnly?: boolean): StrategyRecord[];
/**
 * @name activateStrategy
 * @description Activates or deactivates a strategy.
 */
export declare function activateStrategy(category: string, name: string, active: boolean): {
    success: boolean;
    active: boolean;
};
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