import { GraphQLSchema } from 'graphql';
import { Change } from './change';
export declare function schemaQueryTypeChanged(oldSchema: GraphQLSchema, newSchema: GraphQLSchema): Change;
export declare function schemaMutationTypeChanged(oldSchema: GraphQLSchema, newSchema: GraphQLSchema): Change;
export declare function schemaSubscriptionTypeChanged(oldSchema: GraphQLSchema, newSchema: GraphQLSchema): Change;