/**
 * Gateway Operating Modes
 *
 * Mode 1: REMOTE_LLM_SESSION_ONLY - Remote LLM chat sessions with tool execution only
 *   - Session manager enabled
 *   - Tool calling enabled
 *   - LLM routing DISABLED
 *   - Use case: Pure automation, no LLM pass-through
 *
 * Mode 2: LLM_ROUTING_ONLY - Remote gateway for LLM routing only
 *   - LLM routing enabled
 *   - Session manager DISABLED
 *   - Tool calling DISABLED
 *   - Use case: Pure LLM proxy, seller API keys
 *
 * Mode 3: FULL - Support both remote sessions and LLM routing
 *   - All features enabled
 *   - Use case: Full-featured gateway
 */
export declare enum GatewayMode {
    REMOTE_LLM_SESSION_ONLY = 1,// Remote LLM chat sessions with tool execution only
    LLM_ROUTING_ONLY = 2,// Remote gateway for LLM routing only
    FULL = 3
}
export interface GatewayModeConfig {
    mode: GatewayMode;
    enableRemoteLLMSession: boolean;
    enableLLMRouting: boolean;
    modeName: string;
    description: string;
}
/**
 * Get configuration for a gateway mode
 */
export declare function getModeConfig(mode: GatewayMode): GatewayModeConfig;
/**
 * Parse capabilities from environment variable (CSV format)
 *
 * Examples:
 *   GATEWAY_CAPABILITIES=session          -> Remote Session Only
 *   GATEWAY_CAPABILITIES=llm              -> LLM Routing Only (default)
 *   GATEWAY_CAPABILITIES=session,llm      -> Full (both)
 *   Legacy support: automation/devops -> session, inference -> llm
 */
export declare function parseCapabilitiesFromEnv(): GatewayModeConfig | null;
/**
 * Display mode selection menu and get user choice
 */
export declare function promptForMode(): Promise<GatewayMode>;
/**
 * Get mode - either from environment or by prompting user
 */
export declare function getGatewayMode(): Promise<GatewayModeConfig>;
/**
 * Display selected mode banner
 */
export declare function displayModeBanner(config: GatewayModeConfig): void;
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