All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addSpan(int start, int length)`
`void`	`clear()`
`void`	`deleteSpan(int start, int length)`
`Span`	`deleteSpanAt(int sj)`
`void`	`extend(int index, int size)`	Split the span at index and extends the index with the size.
`void`	`extendAndMerge(int index, int size)`	Split the span at index and extends the index with the size.
`int`	`getEnd()`
`Span`	`getSpan(int index)`
`Span`	`getSpanAt(int sj)`
`int`	`getStart()`
`boolean`	`isEmpty()`
`List<Integer>`	`removeSpans(int startIdx, int size)`
`void`	`shrink(int startIdx, int size)`	Shrink spans that is covered from [startIdx] to [startIdx] + [size] - 1
`int`	`size()`
`Stream<Span>`	`stream()`

public void extendAndMerge(int index,
                           int size)

Split the span at index and extends the index with the size.

public List<Integer> removeSpans(int startIdx,
                                 int size)

public void addSpan(int start,
                    int length)

public void deleteSpan(int start,
                       int length)

Class SpareSpan