XDSBootstrapFileContentEnv is the env variable to set bootstrap file content.

XDSBootstrapFileNameEnv is the env variable to set bootstrap file name.

C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing.

TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").

XDSAggregateAndDNS indicates whether processing of aggregated cluster and DNS cluster is enabled, which can be enabled by setting the environment variable "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" to "true".

XDSBootstrapFileContent holds the content of the xDS bootstrap configuration.

XDSBootstrapFileName holds the name of the file which contains xDS bootstrap configuration.

XDSClientSideSecurity is used to control processing of security configuration on the client-side.

XDSFederation indicates whether federation support is enabled.

XDSOutlierDetection indicates whether outlier detection support is enabled, which can be enabled by setting the environment variable "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "true".

XDSRBAC indicates whether xDS configured RBAC HTTP Filter is enabled, which can be disabled by setting the environment variable "GRPC_XDS_EXPERIMENTAL_RBAC" to "false".

XDSRingHash indicates whether ring hash support is enabled, which can be disabled by setting the environment variable "GRPC_XDS_EXPERIMENTAL_ENABLE_RING_HASH" to "false".

XDSRLS indicates whether processing of Cluster Specifier plugins and support for the RLS CLuster Specifier is enabled, which can be enabled by setting the environment variable "GRPC_EXPERIMENTAL_XDS_RLS_LB" to "true".