var google.golang.org/grpc/internal/envconfig.EnableTXTServiceConfig

2 uses

	google.golang.org/grpc/internal/envconfig (current package)
		envconfig.go#L32: 	EnableTXTServiceConfig = boolFromEnv("GRPC_ENABLE_TXT_SERVICE_CONFIG", true)

	google.golang.org/grpc/internal/resolver/dns
		dns_resolver.go#L141: 		enableServiceConfig: envconfig.EnableTXTServiceConfig && !opts.DisableServiceConfig,