protected override string GetHeader()
{
if (InitialAssignment == null)
{
throw new MissingMandatoryElementException("Initial declaration is required in loop statement");
}
if (BreakCondition == null)
{
throw new MissingMandatoryElementException("Break condition is required in loop statement");
}
if (StepInstruction == null)
{
throw new MissingMandatoryElementException("Step instruction is required in loop statement");
}
return($"for ({InitialAssignment.GenerateCode()}; {BreakCondition.GenerateCode()}; {StepInstruction.GenerateCode()}) {{\n");
}