public static ElementDefinition Single(this ElementDefinition e) { return(e.Card(1, "1")); }
public static ElementDefinition Zero(this ElementDefinition e) { return(e.Card(0, "0")); }
public static ElementDefinition ZeroToMany(this ElementDefinition e) { return(e.Card(0, "*")); }
public static ElementDefinition OneToMany(this ElementDefinition e) { return(e.Card(1, "*")); }
public static ElementDefinition ZeroToOne(this ElementDefinition e) { return(e.Card(0, "1")); }