Do not allow the same header map to be shared across requests. (#7690)
Do not allow the same header map to be shared across requests. (#7690)


quixoten/vault,quixoten/vault,hashicorp/vault,hartsock/vault,kingland/vault,hashicorp/vault,hashicorp/vault,kingland/vault,kingland/vault,rnaveiras/vault,joelthompson/vault,hartsock/vault,joelthompson/vault,kingland/vault,rnaveiras/vault,quixoten/vault,joelthompson/vault,rnaveiras/vault,quixoten/vault,kingland/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,hashicorp/vault,rnaveiras/vault,hartsock/vault,joelthompson/vault,hartsock/vault,hashicorp/vault