Opentelemetry_client_ocurlSourceUrl of the endpoint. Default is "http://localhost:4318", or "OTEL_EXPORTER_OTLP_ENDPOINT" if set.
Set http headers that are sent on every http query to the collector.
Set a lock/unlock pair to protect the critical sections of Opentelemetry.Collector.BACKEND
Setup endpoint. This modifies Opentelemetry.Collector.backend.