This is not specific to import; it works with all class method calls...
use Math::BigInt;
my $class = "Math::BigInt";
my $six = $class->new(6);
my $seven = "Math::BigInt"->new(7);
my $eight = join("::", "Math", "BigInt")->new(8);
In fact, string quoting class names is arguably a much better idea than the more conventional Math::BigInt->new(9), because the latter will start behaving surprisingly if there's ever a BigInt sub defined in the Math package.
perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'
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