Creates a new object with the same keys as the input object, but with values set to the result of
mapCallback for each property. This is the same as mapObjectValues except that this
preserves Promise values: it doesn't wrap them all in a single promise.
Creates a new object with the same keys as the input object, but with values set to the result of
mapCallbackfor each property. This is the same as mapObjectValues except that this preserves Promise values: it doesn't wrap them all in a single promise.