/**
 * MCP infrastructure diagnostic checks for the doctor command.
 *
 * Covers: Node.js version, mcp-providers.json, token store, encryption key,
 * and MCP port availability.
 *
 * All checks are read-only and non-destructive. Each returns a DoctorCheck
 * and must never throw — errors are caught and surfaced as fail/warn results.
 */
import { DoctorCheck } from './types.js';
export { checkMcpDaemon, checkGitLabApi, checkAtlassianApi, TokenInfo, } from './mcp-service-checks.js';
/**
 * Check Node.js version meets the >=20.0.0 requirement for MCP features.
 */
export declare function checkNodeVersion(): DoctorCheck;
/**
 * Check ~/.padua/mcp-providers.json exists and contains valid JSON.
 */
export declare function checkMcpConfig(): DoctorCheck;
/**
 * Check ~/.padua/tokens.db exists and can be opened by better-sqlite3.
 * Missing file is a warn (created on first login); corrupt file is a fail.
 */
export declare function checkTokenStore(): DoctorCheck;
/**
 * Check if the AES-256-GCM encryption key source is available.
 * Currently only validates the env var path; keychain integration is future work.
 */
export declare function checkEncryptionKey(): DoctorCheck;
/**
 * Check if the MCP port (default 8919) is available or owned by the daemon.
 * Uses net.createServer to probe availability; reads the PID file to
 * determine whether an existing listener is the MCP daemon.
 */
export declare function checkMcpPort(port?: number): Promise<DoctorCheck>;
/**
 * Read Bedrock enable/disable state from process.env and return a DoctorCheck.
 *
 * Reports:
 * - pass/message "enabled (profile: ..., region: ...)" when all 8 vars set
 * - warn when some but not all vars set (drift)
 * - pass/message "disabled" when no vars set
 */
export declare function checkBedrockStatus(): DoctorCheck;
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