import type { MCPResponse } from '../adapter.interface.js';
import type { GrpcResponse, GrpcOperation, ServiceMetadata, GrpcCapabilities } from './types.js';
export declare class GrpcProtocolHandler {
    transformToMCPResponse(response: GrpcResponse, operation: GrpcOperation, requestId: string): MCPResponse;
    getServiceMetadata(): ServiceMetadata[];
    createEndpointsResponse(): MCPResponse;
    getCapabilities(): GrpcCapabilities;
    validateMCPRequest(operation: unknown): boolean;
    generateRequestId(): string;
}
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