/**
 * Response Builder for MCP structured content responses
 * Converts generation results and errors into MCP-compatible response format
 */
import type { GeneratedImageResult } from '../api/geminiClient';
import type { McpToolResponse } from '../types/mcp';
import { type BaseError } from '../utils/errors';
/**
 * Interface for response builder functionality
 */
export interface ResponseBuilder {
    buildSuccessResponse(generationResult: GeneratedImageResult, filePath: string): McpToolResponse;
    buildErrorResponse(error: BaseError | Error): McpToolResponse;
}
/**
 * Creates a response builder with MCP structured content support
 * @returns ResponseBuilder implementation
 */
export declare function createResponseBuilder(): ResponseBuilder;
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