355, 367, 97 S.Ct. 2447, 53 L.Ed.2d 402 (1977). New York has legislatively identified four situations in which a limitations period may be tolled, Leon v. Murphy, 988 F.2d 303, 310 (2d Cir.1993) (citing N.Y. C.P.L.R. §§ 204(a), 204(b), 207, 208), none of which apply to the instant case. Limitations periods are also subject to equitable tolling and equitable estoppel, both of which if satisfied can save a plaintiffs otherwise time-barred § 1983 claim, unless applying either doctrine would be inconsistent with the text or policies underlying 42 U.S.C. § 1983. See Young v. United States, 535 U.S. 43, 122 S.Ct. 1036, 1040, 152 L.Ed.2d 79 (2002) (equitable tolling); Leon, 988 F.2d at 310 (equitable estoppel); see also Dillman v. Combustion Engineering, Inc., 784 F.2d 57, 61 (2d Cir.1986) (<HOLDING>). These doctrines, when applicable, usually
recognizing distinction between smith and mcdonnell recognizing difference between tolling and equitable estoppel recognizing this distinction recognizing distinction between tolling and estoppel recognizing distinction between two types of waiver