Error:

Add index to the mutable index set

[mutableIndexSet addIndex:0];

Add multiple indexes to the mutable index set

[mutableIndexSet addIndexes:anotherIndexSet];

Add range of indexes to the mutable index set

[mutableIndexSet addIndexesInRange:NSMakeRange(0, 99)];

Remove index from the mutable index set

[mutableIndexSet removeIndexe:0];

Remove multiple indexes from the mutable index set

[mutableIndexSet removeIndexes:anotherIndexSet];

Remove all indexes from the mutable index set

[mutableIndexSet removeAllIndexes];

Remove indexes in certain range from the mutable index set

[mutableIndexSet removeIndexesInRange:NSMakeRange(0, 10)];

Shift indexes start at given index mutable index set

[mutableIndexSet shiftIndexesStartingAtIndex:10 by:1];