import { ClaudeCodeBackendRequest, ClaudeCodeClient, ClaudeCodeService, ToolApprovalResponseMessage } from '../common/claude-code-service';
export declare class ClaudeCodeServiceImpl implements ClaudeCodeService {
    private logger;
    private client;
    private abortControllers;
    private pendingApprovals;
    protected readonly autoApprovedTools: Set<string>;
    setClient(client: ClaudeCodeClient): void;
    send(request: ClaudeCodeBackendRequest, streamId: string): Promise<void>;
    protected isApiKeyError(message: unknown): boolean;
    protected sendMessages(streamId: string, request: ClaudeCodeBackendRequest): Promise<void>;
    /**
     * Dynamically imports the Claude Code SDK from the local installation.
     * @param customClaudeCodePath Optional custom path to Claude Code executable (cli.js)
     * @returns An object containing the SDK's query function, user message type, and options type.
     */
    protected importClaudeCodeSDK(customClaudeCodePath?: string): Promise<{
        query: unknown;
        SDKUserMessage: unknown;
        Options: unknown;
    }>;
    protected resolveClaudeCodePath(): string;
    cancel(streamId: string): void;
    handleApprovalResponse(response: ToolApprovalResponseMessage): void;
    protected requestToolApproval(streamId: string, toolName: string, toolInput: unknown): Promise<{
        behavior: 'allow' | 'deny';
        message?: string;
        updatedInput?: unknown;
    }>;
    protected ensureStopHook(cwd: string): Promise<void>;
    protected ensureFileBackupHook(cwd: string): Promise<void>;
    private ensureClaudeSettings;
}
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