Flow provides a set of utility types to operate on other types to create new types.| flow.org
Flow’s Indexed Access Types allow you to get the type of a property from an object, array, or tuple type.| flow.org
Array types represent lists of unknown length, where all items have the same type.| flow.org
Refinements allow us to narrow the type of a value based on conditional tests.| flow.org
Sometimes it's useful to create a type which is one of a set of other| flow.org