🏠FunctionsisNonNullTypeisNonNullType CallableisNonNullType(type: GraphQLInputType): type is GraphQLNonNull<GraphQLInputType>isNonNullType(type: GraphQLOutputType): type is GraphQLNonNull<GraphQLOutputType>isNonNullType(type: unknown): type is GraphQLNonNull<GraphQLType>Parameterstype: GraphQLInputTypeReturns type is GraphQLNonNull<GraphQLInputType>