Imports of package credential

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/Azure/azure-sdk-for-go/sdk/azcorePackage azcore implements an HTTP request/response middleware pipeline used by Azure SDK clients.
github.com/Azure/azure-sdk-for-go/sdk/azcore/policyPackage policy contains the definitions needed for configuring in-box pipeline policies and creating custom policies.
github.com/Azure/azure-sdk-for-go/sdk/azidentity
github.com/Azure/azure-sdk-for-go/sdk/internal/recording
osPackage os provides a platform-independent interface to operating system functionality.
timePackage time provides functionality for measuring and displaying time.