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| Russian | English |
| неизменяемая версия | fixed version |
| неизменяемое множество | frozen set (it does not allow any changes to keys and values once it created  microsoft.com Alex_Odeychuk) |
| неизменяемый идентификатор | immutable ID (A unique user identifier that must not change for the user over the lifetime of the user being in the system) |
| неизменяемый словарь | frozen dictionary (it does not allow any changes to keys and values once it created microsoft.com Alex_Odeychuk) |