private bool ShouldAnalyzeVariableDeclaration(VariableDeclarationSyntax variableDeclaration, SemanticModel semanticModel, CancellationToken cancellationToken)
{
// implict type is applicable only for local variables and
// such declarations cannot have multiple declarators and
// must have an initializer.
var isSupportedParentKind = variableDeclaration.IsParentKind(
SyntaxKind.LocalDeclarationStatement,
SyntaxKind.ForStatement,
SyntaxKind.UsingStatement);
return isSupportedParentKind &&
variableDeclaration.Variables.Count == 1 &&
variableDeclaration.Variables.Single().Initializer.IsKind(SyntaxKind.EqualsValueClause);
}
