prefer-method-signature: Convert to function (#2535)
prefer-method-signature: Convert to function (#2535)


andy-ms/tslint,berickson1/tslint,berickson1/tslint,andy-hanson/tslint,andy-ms/tslint,palantir/tslint,JoshuaKGoldberg/tslint,andy-ms/tslint,andy-hanson/tslint,mprobst/tslint,mprobst/tslint,andy-hanson/tslint,mprobst/tslint,palantir/tslint,JoshuaKGoldberg/tslint,IllusionMH/tslint,palantir/tslint,berickson1/tslint,IllusionMH/tslint,JoshuaKGoldberg/tslint,IllusionMH/tslint