/// <summary>
/// Adds some filterItem to the aggregation {@link #getFilterItems filterItems}.
/// </summary>
/// <param name="oFilterItem">The filterItem 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.m.P13nFilterPanel addFilterItem(sap.m.P13nFilterItem oFilterItem);
/// <summary>
/// Checks for the provided <code>sap.m.P13nFilterItem</code> in the aggregation {@link #getFilterItems filterItems}. and returns its index if found or -1 otherwise.
/// </summary>
/// <param name="oFilterItem">The filterItem 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 indexOfFilterItem(sap.m.P13nFilterItem oFilterItem);
/// <summary>
/// Inserts a filterItem into the aggregation {@link #getFilterItems filterItems}.
/// </summary>
/// <param name="oFilterItem">The filterItem to insert; if empty, nothing is inserted</param>
/// <param name="iIndex">The <code>0</code>-based index the filterItem should be inserted at; for a negative value of <code>iIndex</code>, the filterItem is inserted at position 0; for a value greater than the current size of the aggregation, the filterItem is inserted at the last position</param>
/// <returns>Reference to <code>this</code> in order to allow method chaining</returns>
public extern virtual sap.m.P13nFilterPanel insertFilterItem(sap.m.P13nFilterItem oFilterItem, int iIndex);
