/**
 * useCommands Hook
 * Handles slash commands for the CLI
 * Includes model switching, compact mode, session management, stats, and memory
 */
import { type MutableRefObject } from 'react';
export interface CommandResult {
    handled: boolean;
    output?: string;
    action?: 'exit' | 'clear' | 'toggle-raw' | 'toggle-debug' | 'toggle-compact' | 'toggle-gateway' | 'toggle-heartbeat';
}
export interface BackgroundServiceStatus {
    gatewayOnline: boolean;
    gatewayCompleted: number;
    heartbeatActive: boolean;
    heartbeatLastPoll?: string;
    heartbeatTriggered: number;
}
/** Session-level statistics exposed to commands and UI */
export interface SessionStats {
    startedAt: number;
    messageCount: number;
    toolCallCount: number;
    filesModified: Set<string>;
    tokensEstimate: number;
}
export interface UseCommandsOptions {
    mcpServers?: Array<{
        name: string;
        tools?: Array<{
            name: string;
        }>;
    }>;
    conversationId?: string;
    serviceStatusRef?: MutableRefObject<BackgroundServiceStatus>;
}
export interface UseCommandsReturn {
    rawMode: boolean;
    debugMode: boolean;
    compactMode: boolean;
    heartbeatMode: boolean;
    sessionStats: SessionStats;
    handleCommand: (input: string) => CommandResult;
    getHelp: () => string;
    getMcpStatus: () => string;
    getCompletions: (partial: string) => string[];
    trackToolCall: (toolName: string, filePath?: string) => void;
    trackTokens: (count: number) => void;
}
export declare function useCommands(options?: UseCommandsOptions): UseCommandsReturn;
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