Texts to add for the extends clause.
Adds an extends clause.
Text to add for the extends clause.
Gets the extends clauses.
Inserts multiple extends clauses.
Texts to insert for the extends clause.
Inserts an extends clause.
Text to insert for the extends clause.
Removes the extends at the specified index.
Index to remove.
Removes the specified extends.
Node of the extend to remove.
Adds multiple extends clauses.