import { GraphQLSchema } from 'graphql';
import { MergeSchemasConfig } from '@graphql-tools/schema';
export interface SubgraphConfig {
    name: string;
    schema: GraphQLSchema;
    transforms?: SubgraphTransform[];
}
export type SubgraphTransform = (schema: GraphQLSchema, subgraphConfig: SubgraphConfig) => GraphQLSchema;
export declare function composeSubgraphs(subgraphs: SubgraphConfig[], options?: Omit<MergeSchemasConfig, 'schema'>): GraphQLSchema;