apollo-server/packages/apollo-server-core/src/index.ts

export { runQuery } from './runQuery';
export { LogFunction, LogMessage, LogStep, LogAction } from './logging';
export { runHttpQuery, HttpQueryRequest, HttpQueryError } from './runHttpQuery';
export {
  default as GraphQLOptions,
  resolveGraphqlOptions,
} from './graphqlOptions';
export {
  ApolloError,
  toApolloError,
  SyntaxError,
  ValidationError,
  AuthenticationError,
  ForbiddenError,
  internalFormatError,
} from './errors';

// ApolloServer Base class
export { ApolloServerBase } from './ApolloServer';
export * from './types';