KnownTypeNamesRule CallableKnownTypeNamesRule(context: ValidationContext | SDLValidationContext): ASTVisitorKnown type namesA GraphQL document is only valid if referenced types (specifically variable definitions and fragment conditions) are defined by the type schema. See https://spec.graphql.org/draft/#sec-Fragment-Spread-Type-ExistenceParameterscontext: ValidationContext | SDLValidationContextReturns ASTVisitor
Known type names
A GraphQL document is only valid if referenced types (specifically variable definitions and fragment conditions) are defined by the type schema.
See https://spec.graphql.org/draft/#sec-Fragment-Spread-Type-Existence