public Builder clearUrl() {
                url_ = getDefaultInstance().getUrl();
                bitField0_ &= ~0x00000001;
                onChanged();
                return this;
            }
<code>string url = 1;</code>

@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/file/ImageFile.java