function main( context ) {
	/**
	* Checks whether a function documentation section has a whitelisted section header.
	*
	* @private
	* @param {Object} section - any documentation section
	*/
	function whitelistedSections( section ) {
		var idx;

		idx = indexOf( SECTIONS, section.title );
		if ( idx === -1 ) {
			context.report( 'Only use one of the following section header titles: '+SECTIONS.join( '\n' ), section );
		}
	}
	return {
		'section': whitelistedSections
	};
}
Rule for enforcing that only whitelisted section headers are used.

@param {Context} context - lint context
@returns {Object} validators