/// <summary>
/// Adds some section to the aggregation {@link #getSections sections}.
/// </summary>
/// <param name="oSection">The section to add; if empty, nothing is inserted</param>
/// <returns>Reference to <code>this</code> in order to allow method chaining</returns>
public extern virtual sap.ui.commons.Accordion addSection(sap.ui.commons.AccordionSection oSection);
/// <summary>
/// Checks for the provided <code>sap.ui.commons.AccordionSection</code> in the aggregation {@link #getSections sections}. and returns its index if found or -1 otherwise.
/// </summary>
/// <param name="oSection">The section whose index is looked for</param>
/// <returns>The index of the provided control in the aggregation if found, or -1 otherwise</returns>
public extern virtual int indexOfSection(sap.ui.commons.AccordionSection oSection);
/// <summary>
/// Inserts a section into the aggregation {@link #getSections sections}.
/// </summary>
/// <param name="oSection">The section to insert; if empty, nothing is inserted</param>
/// <param name="iIndex">The <code>0</code>-based index the section should be inserted at; for a negative value of <code>iIndex</code>, the section is inserted at position 0; for a value greater than the current size of the aggregation, the section is inserted at the last position</param>
/// <returns>Reference to <code>this</code> in order to allow method chaining</returns>
public extern virtual sap.ui.commons.Accordion insertSection(sap.ui.commons.AccordionSection oSection, int iIndex);
