Microsoft.CodeAnalysis.UseNullPropagation.AbstractUseNullPropagationDiagnosticAnalyzer<TSyntaxKind, TExpressionSyntax, TStatementSyntax, TConditionalExpressionSyntax, TBinaryExpressionSyntax, TInvocationExpressionSyntax, TConditionalAccessExpressionSyntax, TElementAccessExpressionSyntax, TMemberAccessExpressionSyntax, TIfStatementSyntax, TExpressionStatementSyntax>.TryGetPartsOfIfStatement(TIfStatementSyntax, out TExpressionSyntax, out System.Collections.Immutable.ImmutableArray<TStatementSyntax>)