Type Alias FormatImplementation

FormatImplementation:
    | "intl-number-format"
    | "intl-duration-format"
    | "wrapper"
    | "custom"

Rendering implementation selected for a resolved format specification.

intl-number-format and intl-duration-format use the corresponding native Intl service.
wrapper implements a built-in domain outside Intl, such as bytes or ordinals.
custom is the default for application codecs.