classes/PodsMeta.php
public static function split_shared_term( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {

		require_once( PODS_DIR . 'classes/PodsTermSplitting.php' );

		$term_splitting = new Pods_Term_Splitting( $term_id, $new_term_id, $taxonomy );
		$term_splitting->split_shared_term();

	}
public static function split_shared_term( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {

		require_once( PODS_DIR . 'classes/PodsTermSplitting.php' );

		$term_splitting = new Pods_Term_Splitting( $term_id, $new_term_id, $taxonomy );
		$term_splitting->split_shared_term();

	}
public static function split_shared_term ( $ term_id , $ new_term_id , $ term_taxonomy_id , $ taxonomy ) { require_once ( PODS_DIR . 'classes/PodsTermSplitting.php' ) ; $ term_splitting = new Pods_Term_Splitting ( $ term_id , $ new_term_id , $ taxonomy ) ; $ term_splitting -> split_shared_term ( ) ; }
Hook the split_shared_term action and point it to this method

Fires after a previously shared taxonomy term is split into two separate terms.

@param int    $term_id          ID of the formerly shared term.
@param int    $new_term_id      ID of the new term created for the $term_taxonomy_id.
@param int    $term_taxonomy_id ID for the term_taxonomy row affected by the split.
@param string $taxonomy         Taxonomy for the split term.
Hook the split_shared_term action and point it to this method