export declare const CODEX_MANAGED_MCP_BEGIN = "# BEGIN agents-sync managed MCP";
export declare const CODEX_MANAGED_MCP_END = "# END agents-sync managed MCP";
/**
 * Merge generated MCP tables into a Codex project config without rewriting
 * project-owned settings. Agent Sync owns only the text between its markers.
 */
export declare function mergeCodexConfig(existingContent: string, generatedContent: string): string;
/** Remove this project's managed MCP block while preserving surrounding TOML. */
export declare function removeCodexManagedBlock(existingContent: string): string;
/** Return whether content contains the legacy fully-generated Codex header. */
export declare function isLegacyGeneratedCodexConfig(content: string): boolean;
/** Remove MCP tables from the legacy fully-generated Codex file while preserving other TOML sections. */
export declare function removeLegacyGeneratedCodexMcp(content: string): string;