public function setInputType($var)
    {
        GPBUtil::checkString($var, True);
        $this->input_type = $var;
        $this->has_input_type = true;

        return $this;
    }
public function setInputType($var)
    {
        GPBUtil::checkString($var, True);
        $this->input_type = $var;
        $this->has_input_type = true;

        return $this;
    }
public function setInputType ( $ var ) { GPBUtil :: checkString ( $ var , True ) ; $ this -> input_type = $ var ; $ this -> has_input_type = true ; return $ this ; }
Input and output type names.  These are resolved in the same way as
FieldDescriptorProto.type_name, but must refer to a message type.

Generated from protobuf field <code>optional string input_type = 2;</code>
@param string $var
@return $this
Input and output type names . These are resolved in the same way as FieldDescriptorProto . type_name but must refer to a message type .