Method getColonIndex

xml/types.ts:520–520

* Get the colon index in the attribute name (-1 if no namespace prefix). * This allows consumers to parse namespace prefixes without string allocation.

(index: number)

   * This allows consumers to parse namespace prefixes without string allocation.
   */
  getColonIndex(index: number): number;

  /**
   * Get the resolved namespace URI for the attribute at the given index.