$ perl -e "use Devel::Peek; use strict; BEGIN{*main::foo=\@main::foo; Dump(*main::foo)};  print @foo; "
SV = PVGV(0xa6ad1c) at 0x99b984
  REFCNT = 4
  FLAGS = (MULTI,IN_PAD)
  NAME = "foo"
  NAMELEN = 3
  GvSTASH = 0x3f991c    "main"
  GP = 0xac5fac
    SV = 0x0
    REFCNT = 1
    IO = 0x0
    FORM = 0x0
    AV = 0x99ba04
    HV = 0x0
    CV = 0x0
    CVGEN = 0x0
    LINE = 1
    FILE = "-e"
    FLAGS = 0xa
    EGV = 0x99b984      "foo"
Variable "@foo" is not imported at -e line 1.
Global symbol "@foo" requires explicit package name at -e line 1.
Execution of -e aborted due to compilation errors.

$ perl -e "use Devel::Peek; use strict; BEGIN{package Pkg; *main::foo=\@main::foo;};package main; Dump*foo; "
SV = PVGV(0xa6ad3c) at 0x99b994
  REFCNT = 2
  FLAGS = (MULTI,IN_PAD,IMPORT( AV ))
  NAME = "foo"
  NAMELEN = 3
  GvSTASH = 0x3f9934    "main"
  GP = 0xac5fec
    SV = 0x0
    REFCNT = 1
    IO = 0x0
    FORM = 0x0
    AV = 0xa8d714
    HV = 0x0
    CV = 0x0
    CVGEN = 0x0
    LINE = 1
    FILE = "-e"
    FLAGS = 0x2a
    EGV = 0x99b994      "foo"