public java.util.List < TYPE_1 > METHOD_1 ( ) { assert METHOD_2 ( ) ; java.util.List < TYPE_1 > VAR_1 = new java.util.ArrayList < TYPE_1 > ( ) ; for ( TYPE_2 < TYPE_1 > node : METHOD_3 ( ) . METHOD_4 ( ) ) if ( ( node . METHOD_5 ( ) . size ( ) ) > 0 ) VAR_1 . add ( node . METHOD_5 ( ) . get ( 0 ) . METHOD_6 ( ) ) ; return VAR_1 ; }

public java.util.List < TYPE_1 > METHOD_1 ( ) { assert METHOD_2 ( ) ; java.util.List < TYPE_1 > VAR_1 = new java.util.ArrayList < TYPE_1 > ( ) ; for ( TYPE_2 < TYPE_1 > node : METHOD_3 ( ) . METHOD_4 ( ) ) if ( ( node != null ) && ( ( node . METHOD_5 ( ) . size ( ) ) > 0 ) ) VAR_1 . add ( node . METHOD_5 ( ) . get ( 0 ) . METHOD_6 ( ) ) ; return VAR_1 ; }
