import { function ref<T>(value: T): Ref<UnwrapRef<T>> (+1 overload)
Takes an inner value and returns a reactive and mutable ref object, which
has a single property `.value` that points to the inner value.
@paramvalue - The object to wrap in the ref.@see{@link https://vuejs.org/api/reactivity-core.html#ref}ref } from "vue"

const const a: Ref<number>a = ref<number>(value: number): Ref<number> (+1 overload)
Takes an inner value and returns a reactive and mutable ref object, which
has a single property `.value` that points to the inner value.
@paramvalue - The object to wrap in the ref.@see{@link https://vuejs.org/api/reactivity-core.html#ref}ref(10)
a.value = 'hi'
Type 'string' is not assignable to type 'number'.