The MongoDB\BSON\Undefined class (deprecated)

(mongodb >=1.4.0)

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BSON type for the "Undefined" type. This BSON type is deprecated, and this class can not be instantiated. It will be created from a BSON undefined type while converting BSON to PHP, and can also be converted back into BSON while storing documents in the database.

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final MongoDB\BSON\Undefined implements MongoDB\BSON\Type , Serializable , JsonSerializable {
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final private __construct ( void )
final public jsonSerialize ( void ) : mixed
final public serialize ( void ) : string
final public __toString ( void ) : string
final public unserialize ( string $serialized ) : void
}

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