export interface AntigravityMcpPayload {
    mcpServers?: Record<string, unknown>;
    servers?: Record<string, unknown>;
    [key: string]: unknown;
}
/**
 * Resolve the absolute filesystem path for the legacy global Antigravity MCP configuration file.
 *
 * Uses the `AGENTS_ANTIGRAVITY_MCP_PATH` environment variable when set and non-empty; otherwise
 * returns an OS-specific default location (macOS, Windows with `APPDATA` fallback, or XDG/`~/.config` for other platforms).
 *
 * @returns Absolute path to the legacy global Antigravity MCP JSON file (`mcp.json`).
 */
export declare function getLegacyAntigravityGlobalMcpPath(): string;
export declare function readAntigravityMcp(pathToRead: string): Promise<AntigravityMcpPayload | undefined>;
export declare function writeAntigravityMcp(pathToWrite: string, payload: AntigravityMcpPayload): Promise<void>;
/**
 * Normalize an Antigravity MCP payload to the current shape by ensuring server mappings are exposed under `mcpServers` and removing legacy `servers` and `inputs` properties.
 *
 * @param payload - The MCP payload that may use current (`mcpServers`) or legacy (`servers`) server keys
 * @returns A payload object with `mcpServers` containing the chosen server mapping and without legacy `servers` or `inputs` properties
 */
export declare function normalizeAntigravityMcpPayload(payload: AntigravityMcpPayload): AntigravityMcpPayload;