RegistryCenterNode { public String getProxyNodePath(final String instanceId) { return Joiner.on("/").join("", ROOT, PROXY_NODES_NAME, instanceId); }  String getProxyNodePath(final String instanceId); String getDataNodesPath(); String getSchemaPath(final String schemaName); String getDataSourcePath(final String schemaName, final String dataSourceName); Optional<GovernanceSchema> getGovernanceSchema(final String dataSourceNodeFullPath); Collection<String> getAllSchemaPaths(final Collection<String> schemaNames);  }
@Test public void assertGetProxyNodePath() { assertThat(registryCenterNode.getProxyNodePath("testId"), is("/states/proxynodes/testId")); }