an employee shall be entitled to file a civil action to the same extent and in the same manner as provided in section 717(c) of the Civil Rights Act of 1964 (
42 U.S.C.
2000e–16
(c)), section 15(c) of the Age Discrimination in Employment Act of 1967 (
29 U.S.C.
633a
(c)), or section 16(b) of the Fair Labor Standards Act of 1938 (
29 U.S.C.
216
(b)).