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Petr Pudlak authored
For acquiring nodes use `with AcquireManyNodes(num): ...`. The nodes will be released automatically. For creating a new group use `with NewGroupCtx() as group: ...`. The group will be removed automatically. Signed-off-by: Petr Pudlak <pudlak@google.com> Reviewed-by: Hrvoje Ribicic <riba@google.com>
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