CollectTypes finds all types reachable from typ and stores them in types as a map from type to name.

Intersection computes a schema that is supported by both services.

Union computes a schema that is supported by the two services combined.

FieldInfo holds federation-specific information for system.Fields used to plan and execute queries.

PathStep represents a step in the path from the original query to a subquery that can be resolved on a single GraphQL server.

Plan breaks the query down into subqueries that can be resolved by a single graphql server.

Planner is responsible for taking a query created a plan that will be used by the executor.

SchemaWithFederationInfo holds a system.Schema along with federtion-specific annotations per field.

UnimplementedFederationServiceServer can be embedded to have forward compatible implementations.

FederationServiceClient is the client API for FederationService service.

FederationServiceServer is the server API for FederationService service.

MergeMode controls how to combine two different schemas.