How to download and setup opentelemetry-cpp
Open terminal and run command
                                            git clone https://github.com/open-telemetry/opentelemetry-cpp.git
                                        
                                        git clone is used to create a copy or clone of opentelemetry-cpp repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with opentelemetry-cpp https://github.com/open-telemetry/opentelemetry-cpp/archive/master.zip
Or simply clone opentelemetry-cpp with SSH
                                            [email protected]:open-telemetry/opentelemetry-cpp.git                                    
                                    If you have some problems with opentelemetry-cpp
You may open issue on opentelemetry-cpp support forum (system) here: https://github.com/open-telemetry/opentelemetry-cpp/issuesSimilar to opentelemetry-cpp repositories
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