Microsoft.CodeAnalysis.Analyzers.UseCoalesceExpression.AbstractUseCoalesceExpressionForIfNullStatementCheckDiagnosticAnalyzer<TSyntaxKind, TExpressionSyntax, TStatementSyntax, TVariableDeclarator, TIfStatementSyntax>.TryGetEmbeddedStatement(TIfStatementSyntax, out TStatementSyntax)