refactor(TS): better TS signature for metaVariablesFn
refactor(TS): better TS signature for metaVariablesFn

fsgiudice/quasar,fsgiudice/quasar,fsgiudice/quasar,quasarframework/quasar,quasarframework/quasar,quasarframework/quasar,pdanpdan/quasar,pdanpdan/quasar,rstoenescu/quasar-framework,quasarframework/quasar,rstoenescu/quasar-framework,pdanpdan/quasar,pdanpdan/quasar,rstoenescu/quasar-framework