import { type PluginConfig } from './schema';
export declare const MAX_CONFIG_FILE_BYTES = 102400;
/**
 * Structured error log entry for config loading failures.
 */
export interface ConfigLoadErrorLog {
    timestamp: string;
    filePath: string;
    errorCode: string | null;
    errorName: string;
    message: string;
}
/**
 * Log a structured error when config loading fails.
 * Exported for testing purposes.
 */
export declare function logConfigLoadError(filePath: string, error: unknown): void;
/**
 * Options for deepMerge function.
 */
export interface DeepMergeOptions {
    enforceKeyFiltering?: boolean;
}
/**
 * Deep merge two objects, with override values taking precedence.
 * Arrays are replaced, not merged.
 *
 * When enforceKeyFiltering is enabled, keys like __proto__, constructor, and prototype
 * are skipped to prevent prototype pollution attacks.
 */
export declare function deepMerge<T>(base?: T, override?: T, options?: DeepMergeOptions): T | undefined;
/**
 * Load plugin configuration from user and project config files.
 *
 * Config locations:
 * 1. User config: ~/.config/opencode/opencode-writer-swarm.json
 * 2. Project config: <directory>/.opencode/opencode-writer-swarm.json
 *
 * Project config takes precedence.
 */
export declare function loadPluginConfig(directory: string): PluginConfig;
/**
 * Load prompt file from prompts/ directory
 */
export declare function loadPrompt(name: string): string;
/**
 * Load reference file from references/ directory
 */
export declare function loadReference(name: string): string;