XDSBootstrapFileContentEnv is the env variable to set bootstrap file content.

XDSBootstrapFileNameEnv is the env variable to set bootstrap file name.

ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS handshakes that can be performed.

C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing.

EnforceALPNEnabled is set if TLS connections to servers with ALPN disabled should be rejected.

LeastRequestLB is set if we should support the least_request_experimental LB policy, which can be enabled by setting the environment variable "GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST" to "true".

NewPickFirstEnabled is set if the new pickfirst leaf policy is to be used instead of the exiting pickfirst implementation.

ObservabilityConfig is the json configuration for the gcp/observability package specified directly in the envObservabilityConfig env var.

ObservabilityConfigFile is the json configuration for the gcp/observability specified in a file with the location specified in envObservabilityConfigFile env var.

RingHashCap indicates the maximum ring size which defaults to 4096 entries but may be overridden by setting the environment variable "GRPC_RING_HASH_CAP".

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

XDSBootstrapFileContent holds the content of the xDS bootstrap configuration.

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

XDSDualstackEndpointsEnabled is true if gRPC should read the "additional addresses" in the xDS endpoint resource.

XDSFallbackSupport is the env variable that controls whether support for xDS fallback is turned on.

XDSSystemRootCertsEnabled is true when xDS enabled gRPC clients can use the system's default root certificates for TLS certificate validation.