Exhibit 24.4
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS that WHITEHALL STREET GLOBAL REAL ESTATE
LIMITED PARTNERSHIP 2007 (the "Company") does hereby make, constitute and
appoint each of Yvette Kosic, Kevin P. Treanor and Laura A. Molina, (and any
other employee of The Goldman Sachs Group, Inc. or one of its affiliates
designated in writing by one of the attorneys-in-fact), acting individually, its
true and lawful attorney, to execute and deliver in its name and on its behalf
whether the Company is acting individually or as representative of others, any
and all filings required to be made by the Company under the Securities Exchange
Act of 1934, (as amended, the "Act"), with respect to securities which may be
deemed to be beneficially owned by the Company under the Act, giving and
granting unto each said attorney-in-fact power and authority to act in the
premises as fully and to all intents and purposes as the Company might or could
do if personally present by one of its authorized signatories, hereby ratifying
and confirming all that said attorney-in-fact shall lawfully do or cause to be
done by virtue hereof.
THIS POWER OF ATTORNEY shall remain in full force and effect until either
revoked in writing by the undersigned or until such time as the person or
persons to whom power of attorney has been hereby granted ceases) to be an
employee of The Goldman Sachs Group, Inc. or one of its affiliates.
IN WITNESS WHEREOF, the undersigned has duly subscribed these presents as of
October 18, 2017.
WHITEHALL STREET GLOBAL REAL ESTATE LIMITED PARTNERSHIP 2007
By: WH Advisors, L.L.C. 2007, its general partner
By: /s/ William Y. Eng
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Name: William Y. Eng
Title: Vice PResident