Imports of package registry

PathSynopsis
errorsPackage errors implements functions to manipulate errors.
internal/syscall/windows/sysdllPackage sysdll is an internal leaf package that records and reports which Windows DLL names are used by Go itself.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
syscallPackage syscall contains an interface to the low-level operating system primitives.
unicode/utf16Package utf16 implements encoding and decoding of UTF-16 sequences.
unsafePackage unsafe contains operations that step around the type safety of Go programs.