no-inferred-empty-object-type: Refactor to AbstractWalker (#2750)
no-inferred-empty-object-type: Refactor to AbstractWalker (#2750)


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