import type { GraphQLSchema } from 'graphql';
import type { MeshHandler, MeshHandlerOptions, YamlConfig } from '@graphql-mesh/types';
export default class GrpcHandler implements MeshHandler {
    private config;
    private baseDir;
    private schemaWithAnnotationsProxy;
    private logger;
    private pubsub;
    private fetchFn;
    private importFn;
    private sourceName;
    constructor({ name, config, baseDir, store, logger, pubsub, importFn }: MeshHandlerOptions<YamlConfig.GrpcHandler>);
    private getCachedNonExecutableSchema;
    getMeshSource(): Promise<{
        schema: GraphQLSchema;
    }>;
}