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#include <grpc++/impl/codegen/core_codegen_interface.h>
#include <grpc++/impl/codegen/grpc_library.h>

/// Null-initializes the global gRPC variables for the codegen library. These
/// stay null in the absence of of grpc++ library. In this case, no gRPC
/// features such as the ability to perform calls will be available. Trying to
/// perform them would result in a segmentation fault when trying to deference
/// the following nulled globals. These should be associated with actual
/// as part of the instantiation of a \a grpc::GrpcLibraryInitializer variable.

grpc::CoreCodegenInterface* grpc::g_core_codegen_interface;
grpc::GrpcLibraryInterface* grpc::g_glip;