Variable postUsernamesValidateConst Api Param

postUsernamesValidate: EndpointGeneric<
    {},
    {
        code: | "ValidUsername"
        | "AlreadyInUseError"
        | "ModerationError"
        | "InvalidLengthError"
        | "StartsOrEndsWithUnderscoreError"
        | "TooManyUnderscoresError"
        | "ContainsSpacesError"
        | "InvalidCharactersError"
        | "ContainsPiiError"
        | "ContainsReservedUsernameError";
        message: string;
    },
    { birthday: string; context: 0
    | 1
    | 2; username: string },
> = ...