public TYPE_1 METHOD_1 ( TYPE_2 a , TYPE_2 b ) { if ( ( a . equals ( b ) ) || ( b == null ) ) return null ; int index = METHOD_2 ( a , b ) ; if ( index >= 0 ) { return VAR_1 . get ( index ) ; } return null ; }

public TYPE_1 METHOD_1 ( TYPE_2 a , TYPE_2 b ) { if ( ( a == null ) || ( b == null ) ) return null ; if ( a . equals ( b ) ) return null ; int index = METHOD_2 ( a , b ) ; if ( index >= 0 ) { return VAR_1 . get ( index ) ; } return null ; }
