public void UnDefine(string token)
{
if (NonSubstitutionTokens.Contains(token))
{
NonSubstitutionTokens.Remove(token);
}
else
{
if (SubstitutionTokens.ContainsKey(token))
{
SubstitutionTokens.Remove(token);
}
}
}
/// <summary>
/// Evaluates if a token is defined or not
/// </summary>
/// <param name="token">token to be checked whether it is defined or not</param>
/// <returns>true if defined, false if not</returns>
public bool IsDefined(string token)
{
return(NonSubstitutionTokens.Contains(token) || SubstitutionTokens.ContainsKey(token));
}