public Builder setMuteEndDate(long value) {
            copyOnWrite();
            instance.setMuteEndDate(value);
            return this;
        }
<code>optional int64 mute_end_date = 10;</code>

@param value The muteEndDate to set.
@return This builder for chaining.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/group/Group.java