export interface BridgeCommandHook {
    type: "command";
    command: string;
    async: boolean;
    timeout: number;
}
export interface BridgeHookEntry {
    matcher?: string;
    hooks: BridgeCommandHook[];
}
/**
 * Read settings.json as a raw JSON object. Returns empty object if missing.
 * Never validates with Zod — preserves all upstream fields verbatim.
 */
export declare function readSettingsRaw(path: string): Record<string, unknown>;
/**
 * Write settings.json, preserving formatting.
 * Creates parent directories if needed.
 */
export declare function writeSettingsRaw(path: string, data: Record<string, unknown>): void;
/**
 * Backup settings.json before modification.
 */
export declare function backupSettings(path: string): string;