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    Variable FIX_USE_CODESConst

    FIX_USE_CODES: readonly ["WP", "RP", "MW", "MR", "CN", "VFR", "NRS", "RADAR"] = ...

    The full set of FixUseCode values, in declaration order.

    Use as the single source of truth for value-side iteration (e.g. building a lookup table keyed by use code) or with isFixUseCode to narrow an external string into the union. The as const satisfies brand keeps this array in sync with the type at compile time.