public Builder namespaceId(final String namespaceId) {
            this.namespaceId = namespaceId;
            return this;
        }
build namespaceId.

@param namespaceId namespaceId
@return this
shenyu-e2e/shenyu-e2e-common/src/main/java/org/apache/shenyu/e2e/model/data/RuleCacheData.java