import { DefinitionNode, DocumentNode, GraphQLSchema, Source } from 'graphql';
interface Config {
    useSchemaDefinition?: boolean;
}
export declare function mergeGraphQLSchemas(types: Array<string | Source | DocumentNode | GraphQLSchema>, config?: Partial<Config>): DocumentNode;
export declare function mergeGraphQLTypes(types: Array<string | Source | DocumentNode | GraphQLSchema>, config: Config): DefinitionNode[];
export {};