static BigInteger M ( BigInteger A , BigInteger B ) {
  return A . multiply ( B ) ;
}

static BigInteger M ( BigInteger A , BigInteger B ) { return A . multiply ( B ) ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (type_identifier) name: (identifier))) body: (block (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))