/**
 * Configuration management for NeuBird MCP Server
 * Loads and validates environment variables and provides application constants
 *
 * Supports both NEUBIRD_* (preferred) and HAWKEYE_* (legacy) env var prefixes.
 * NEUBIRD_* takes precedence when both are set.
 */
/**
 * Get the tool name prefix. Defaults to 'neubird'.
 * Set NEUBIRD_TOOL_PREFIX=hawkeye for backward compatibility.
 */
export declare function getToolPrefix(): string;
export interface NeuBirdConfig {
    email: string;
    password: string;
    baseUrl: string;
    uiBaseUrl: string;
    bearerToken?: string;
    defaultProjectUuid?: string;
    defaultOrganizationUuid: string;
    defaultTimeframe: string;
    enableStreaming: boolean;
    maxPollAttempts: number;
    pollIntervalMs: number;
    tokenRefreshBufferMs: number;
    projectCacheTtlMs: number;
    serverName: string;
    serverVersion: string;
    toolPrefix: string;
}
export type HawkeyeConfig = NeuBirdConfig;
/**
 * Load and validate configuration.
 *
 * Credential resolution order (stdio mode):
 *   1. NEUBIRD_ / HAWKEYE_ env vars (preserved for server-mode / K8s deploys).
 *   2. ~/.config/neubird/neubird.json (or profile variant) written by
 *      `neubird login` — lets plugin entries spawn without an env block.
 *   3. Error.
 *
 * HTTP mode does not use file fallback; credentials come from request headers.
 */
export declare function loadConfig(): NeuBirdConfig;
/**
 * Get the global configuration instance
 */
export declare function getConfig(): NeuBirdConfig;
/**
 * Update the base URL for NeuBird API at runtime
 * This allows switching between different NeuBird instances
 * @param newBaseUrl The new base URL (e.g., "https://prod.app.neubird.ai/api")
 * @returns The updated configuration
 */
export declare function setBaseUrl(newBaseUrl: string): NeuBirdConfig;
/**
 * Get the current base URL
 */
export declare function getCurrentBaseUrl(): string;
/**
 * Get the current UI base URL
 */
export declare function getCurrentUiBaseUrl(): string;
/**
 * Constants used throughout the application
 */
export declare const CONSTANTS: {
    readonly ENDPOINTS: {
        readonly LOGIN: "/v1/user/login";
        readonly PROJECTS: "/v1/project";
        readonly SESSION_LIST: "/v1/inference/session/list";
        readonly SESSION_CREATE: "/v1/inference/new_session";
        readonly SESSION_PROMPT: "/v1/inference/session";
        readonly SESSION_INSPECT: "/v1/inference/session/inspect";
        readonly SESSION_REPORT: "/v1/inference/session_report";
        readonly SESSION_SUMMARY: "/v1/inference/session/summary";
        readonly INCIDENT_REPORT: "/v1/inference/incident_report";
    };
    readonly HEADERS: {
        readonly CONTENT_TYPE: "application/json";
        readonly ACCEPT: "application/json";
        readonly CLIENT_IDENTIFIER: "mcp-server";
    };
    readonly TIMEOUTS: {
        readonly DEFAULT_REQUEST: 30000;
        readonly LONG_REQUEST: 60000;
        readonly AUTH_REQUEST: 30000;
    };
    readonly RETRY: {
        readonly MAX_ATTEMPTS: 3;
        readonly BACKOFF_MS: 1000;
        readonly BACKOFF_MULTIPLIER: 2;
    };
};