public Builder clearBucket() {
            bucket_ = getDefaultInstance().getBucket();
            bitField0_ &= ~0x00000010;
            onChanged();
            return this;
        }
<code>string bucket = 5;</code>

@return This builder for chaining.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/egress/AliOSSUpload.java