Add comments on public classes and methods

@usuraton is already working on this.

Since Aug 10, 2021.

250 RUB reward can be claimed by anyone who completes [ILinksExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/ILinksExtensions.cs) file (with bonus of 250 RUB for teacher).

##### Platform.Data.Doublets/Decorators
- [ ] [LinksCascadeUniquenessAndUsagesResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksCascadeUniquenessAndUsagesResolver.cs)
- [ ] [LinksCascadeUsagesResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksCascadeUsagesResolver.cs)
- [ ] [LinksDecoratorBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksDecoratorBase.cs)
- [ ] [LinksDisposableDecoratorBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksDisposableDecoratorBase.cs)
- [ ] [LinksInnerReferenceExistenceValidator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksInnerReferenceExistenceValidator.cs)
- [ ] [LinksItselfConstantToSelfReferenceResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksItselfConstantToSelfReferenceResolver.cs)
- [ ] [LinksNonExistentDependenciesCreator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksNonExistentDependenciesCreator.cs)
- [ ] [LinksNullConstantToSelfReferenceResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksNullConstantToSelfReferenceResolver.cs)
- [ ] [LinksUniquenessResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksUniquenessResolver.cs)
- [ ] [LinksUniquenessValidator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksUniquenessValidator.cs)
- [ ] [LinksUsagesValidator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/LinksUsagesValidator.cs)
- [ ] [NonNullContentsLinkDeletionResolver](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/NonNullContentsLinkDeletionResolver.cs)
- [ ] [UInt32Links](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/UInt32Links.cs)
- [ ] [UInt64Links](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/UInt64Links.cs)
- [ ] [UniLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Decorators/UniLinks.cs)

##### Platform.Data.Doublets/Stacks
- [ ] [Stack](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Stacks/Stack.cs)
- [ ] [StackExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Stacks/StackExtensions.cs)

##### Platform.Data.Doublets/Sequences/Indexes
- [ ] [CachedFrequencyIncrementingSequenceIndex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/CachedFrequencyIncrementingSequenceIndex.cs)
- [ ] [FrequencyIncrementingSequenceIndex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/FrequencyIncrementingSequenceIndex.cs)
- [ ] [ISequenceIndex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/ISequenceIndex.cs)
- [ ] [SequenceIndex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/SequenceIndex.cs)
- [ ] [SynchronizedSequenceIndex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/SynchronizedSequenceIndex.cs)
- [ ] [Unindex](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Indexes/Unindex.cs)

##### Platform.Data.Doublets/Memory/United/Generic
- [ ] [LinksAvlBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksAvlBalancedTreeMethodsBase.cs)
- [ ] [LinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [LinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksSizeBalancedTreeMethodsBase.cs)
- [ ] [LinksSourcesAvlBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksSourcesAvlBalancedTreeMethods.cs)
- [ ] [LinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [LinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [LinksTargetsAvlBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksTargetsAvlBalancedTreeMethods.cs)
- [ ] [LinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [LinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/LinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UnitedMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/UnitedMemoryLinks.cs)
- [ ] [UnitedMemoryLinksBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/UnitedMemoryLinksBase.cs)
- [ ] [UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Generic/UnusedLinksListMethods.cs)

##### Platform.Data.Doublets/Memory/Split/Specific
- [ ] [UInt32ExternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32ExternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32ExternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt32ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32ExternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32ExternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt32InternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32InternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32InternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32InternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt32InternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32InternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32InternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt32SplitMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32SplitMemoryLinks.cs)
- [ ] [UInt32UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt32UnusedLinksListMethods.cs)
- [ ] [UInt64ExternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64ExternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64ExternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt64ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64ExternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64ExternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt64InternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64InternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64InternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64InternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt64InternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64InternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64InternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt64SplitMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64SplitMemoryLinks.cs)
- [ ] [UInt64UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Specific/UInt64UnusedLinksListMethods.cs)

##### Platform.Data.Doublets/Memory
- [ ] [ILinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/ILinksListMethods.cs)
- [ ] [ILinksTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/ILinksTreeMethods.cs)
- [ ] [IndexTreeType](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/IndexTreeType.cs)
- [ ] [LinksHeader](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/LinksHeader.cs)

##### Platform.Data.Doublets/Memory/United/Specific
- [ ] [UInt32LinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32LinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt32LinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32LinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt32LinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt32LinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32LinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt32UnitedMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32UnitedMemoryLinks.cs)
- [ ] [UInt32UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt32UnusedLinksListMethods.cs)
- [ ] [UInt64LinksAvlBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksAvlBalancedTreeMethodsBase.cs)
- [ ] [UInt64LinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64LinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksSizeBalancedTreeMethodsBase.cs)
- [ ] [UInt64LinksSourcesAvlBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksSourcesAvlBalancedTreeMethods.cs)
- [ ] [UInt64LinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64LinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [UInt64LinksTargetsAvlBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksTargetsAvlBalancedTreeMethods.cs)
- [ ] [UInt64LinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [UInt64LinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64LinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [UInt64UnitedMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64UnitedMemoryLinks.cs)
- [ ] [UInt64UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/Specific/UInt64UnusedLinksListMethods.cs)

##### Platform.Data.Doublets/Sequences/Converters
- [ ] [BalancedVariantConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Converters/BalancedVariantConverter.cs)
- [ ] [CompressingConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Converters/CompressingConverter.cs)
- [ ] [LinksListToSequenceConverterBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Converters/LinksListToSequenceConverterBase.cs)
- [ ] [OptimalVariantConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Converters/OptimalVariantConverter.cs)
- [ ] [SequenceToItsLocalElementLevelsConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Converters/SequenceToItsLocalElementLevelsConverter.cs)

##### Platform.Data.Doublets/Numbers/Unary
- [ ] [AddressToUnaryNumberConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Unary/AddressToUnaryNumberConverter.cs)
- [ ] [LinkToItsFrequencyNumberConveter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Unary/LinkToItsFrequencyNumberConveter.cs)
- [ ] [PowerOf2ToUnaryNumberConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Unary/PowerOf2ToUnaryNumberConverter.cs)
- [ ] [UnaryNumberToAddressAddOperationConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Unary/UnaryNumberToAddressAddOperationConverter.cs)
- [ ] [UnaryNumberToAddressOrOperationConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Unary/UnaryNumberToAddressOrOperationConverter.cs)

##### Platform.Data.Doublets/Sequences/Frequencies/Counters
- [ ] [MarkedSequenceSymbolFrequencyOneOffCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/MarkedSequenceSymbolFrequencyOneOffCounter.cs)
- [ ] [SequenceSymbolFrequencyOneOffCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/SequenceSymbolFrequencyOneOffCounter.cs)
- [ ] [TotalMarkedSequenceSymbolFrequencyCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/TotalMarkedSequenceSymbolFrequencyCounter.cs)
- [ ] [TotalMarkedSequenceSymbolFrequencyOneOffCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/TotalMarkedSequenceSymbolFrequencyOneOffCounter.cs)
- [ ] [TotalSequenceSymbolFrequencyCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/TotalSequenceSymbolFrequencyCounter.cs)
- [ ] [TotalSequenceSymbolFrequencyOneOffCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Counters/TotalSequenceSymbolFrequencyOneOffCounter.cs)

##### Platform.Data.Doublets
- [ ] [Doublet](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Doublet.cs)
- [ ] [DoubletComparer](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/DoubletComparer.cs)
- [ ] [ILinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/ILinks.cs)
- [ ] [ILinksExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/ILinksExtensions.cs)
- [ ] [ISynchronizedLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/ISynchronizedLinks.cs)
- [ ] [Link](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Link.cs)
- [ ] [LinkExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/LinkExtensions.cs)
- [ ] [LinksOperatorBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/LinksOperatorBase.cs)
- [ ] [SynchronizedLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/SynchronizedLinks.cs)
- [ ] [UInt64LinksExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/UInt64LinksExtensions.cs)
- [ ] [UInt64LinksTransactionsLayer](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/UInt64LinksTransactionsLayer.cs)

##### Platform.Data.Doublets/Incrementers
- [ ] [FrequencyIncrementer](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Incrementers/FrequencyIncrementer.cs)
- [ ] [UnaryNumberIncrementer](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Incrementers/UnaryNumberIncrementer.cs)

##### Platform.Data.Doublets/PropertyOperators
- [ ] [PropertiesOperator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/PropertyOperators/PropertiesOperator.cs)
- [ ] [PropertyOperator](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/PropertyOperators/PropertyOperator.cs)

##### Platform.Data.Doublets/Time
- [ ] [DateTimeToLongRawNumberSequenceConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Time/DateTimeToLongRawNumberSequenceConverter.cs)
- [ ] [LongRawNumberSequenceToDateTimeConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Time/LongRawNumberSequenceToDateTimeConverter.cs)

##### Platform.Data.Doublets/Memory/United
- [ ] [RawLink](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/United/RawLink.cs)

##### Platform.Data.Doublets/Unicode
- [ ] [CharToUnicodeSymbolConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/CharToUnicodeSymbolConverter.cs)
- [ ] [StringToUnicodeSequenceConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/StringToUnicodeSequenceConverter.cs)
- [ ] [StringToUnicodeSymbolsListConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/StringToUnicodeSymbolsListConverter.cs)
- [ ] [UnicodeMap](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/UnicodeMap.cs)
- [ ] [UnicodeSequenceToStringConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/UnicodeSequenceToStringConverter.cs)
- [ ] [UnicodeSymbolToCharConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/UnicodeSymbolToCharConverter.cs)
- [ ] [UnicodeSymbolsListToUnicodeSequenceConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Unicode/UnicodeSymbolsListToUnicodeSequenceConverter.cs)

##### Platform.Data.Doublets/Memory/Split/Generic
- [ ] [ExternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [ExternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [ExternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [ExternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/ExternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [InternalLinksRecursionlessSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksRecursionlessSizeBalancedTreeMethodsBase.cs)
- [ ] [InternalLinksSizeBalancedTreeMethodsBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksSizeBalancedTreeMethodsBase.cs)
- [ ] [InternalLinksSourcesRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksSourcesRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [InternalLinksSourcesSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksSourcesSizeBalancedTreeMethods.cs)
- [ ] [InternalLinksTargetsRecursionlessSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksTargetsRecursionlessSizeBalancedTreeMethods.cs)
- [ ] [InternalLinksTargetsSizeBalancedTreeMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/InternalLinksTargetsSizeBalancedTreeMethods.cs)
- [ ] [SplitMemoryLinks](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/SplitMemoryLinks.cs)
- [ ] [SplitMemoryLinksBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/SplitMemoryLinksBase.cs)
- [ ] [UnusedLinksListMethods](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/Generic/UnusedLinksListMethods.cs)

##### Platform.Data.Doublets/Numbers/Raw
- [ ] [LongRawNumberSequenceToNumberConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Raw/LongRawNumberSequenceToNumberConverter.cs)
- [ ] [NumberToLongRawNumberSequenceConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Numbers/Raw/NumberToLongRawNumberSequenceConverter.cs)

##### Platform.Data.Doublets/Sequences/HeightProviders
- [ ] [CachedSequenceHeightProvider](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/HeightProviders/CachedSequenceHeightProvider.cs)
- [ ] [DefaultSequenceRightHeightProvider](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/HeightProviders/DefaultSequenceRightHeightProvider.cs)
- [ ] [ISequenceHeightProvider](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/HeightProviders/ISequenceHeightProvider.cs)

##### Platform.Data.Doublets/Sequences/CriterionMatchers
- [ ] [DefaultSequenceElementCriterionMatcher](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/CriterionMatchers/DefaultSequenceElementCriterionMatcher.cs)
- [ ] [MarkedSequenceCriterionMatcher](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/CriterionMatchers/MarkedSequenceCriterionMatcher.cs)

##### Platform.Data.Doublets/CriterionMatchers
- [ ] [TargetMatcher](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/CriterionMatchers/TargetMatcher.cs)

##### Platform.Data.Doublets/Sequences
- [ ] [DefaultSequenceAppender](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/DefaultSequenceAppender.cs)
- [ ] [DuplicateSegmentsCounter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/DuplicateSegmentsCounter.cs)
- [ ] [DuplicateSegmentsProvider](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/DuplicateSegmentsProvider.cs)
- [ ] [Sequences.Experiments](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Sequences.Experiments.cs)
- [ ] [Sequences](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Sequences.cs)
- [ ] [SequencesExtensions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/SequencesExtensions.cs)
- [ ] [SequencesOptions](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/SequencesOptions.cs)

##### Platform.Data.Doublets/Memory/Split
- [ ] [RawLinkDataPart](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/RawLinkDataPart.cs)
- [ ] [RawLinkIndexPart](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Memory/Split/RawLinkIndexPart.cs)

##### Platform.Data.Doublets/Sequences/Walkers
- [ ] [ISequenceWalker](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Walkers/ISequenceWalker.cs)
- [ ] [LeftSequenceWalker](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Walkers/LeftSequenceWalker.cs)
- [ ] [LeveledSequenceWalker](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Walkers/LeveledSequenceWalker.cs)
- [ ] [RightSequenceWalker](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Walkers/RightSequenceWalker.cs)
- [ ] [SequenceWalkerBase](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Walkers/SequenceWalkerBase.cs)

##### Platform.Data.Doublets/Sequences/Frequencies/Cache
- [ ] [LinkFrequenciesCache](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Cache/LinkFrequenciesCache.cs)
- [ ] [LinkFrequency](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Cache/LinkFrequency.cs)
- [ ] [LinkToItsFrequencyValueConverter](https://github.com/linksplatform/Data.Doublets/blob/master/csharp/Platform.Data.Doublets/Sequences/Frequencies/Cache/LinkToItsFrequencyValueConverter.cs)