tree 93e02bf02320e99c3fdd07696b89cf4f00f6a06a
parent 331e6bdcb05641e32909a59d4610f4f5fd28bf34
author Edwin Kempin <ekempin@google.com> 1614874028 +0100
committer Edwin Kempin <ekempin@google.com> 1614876041 +0100

PathCodeOwners: Return ImmutableSet from methods that get imports

getGlobalImports already returned an ImmutableSet but didn't say so in
its method signature.

getPerFileImports returned a mutable set, but nobody should mutate the
returned set, hence it's better to return an ImmutableSet.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: Idc36b14ac7e67642b84e73a7ebc3745544320c28