```
public final class Constants
extends java.lang.Object
```
Holder class for constants common to both frontend (builders) and backend (api) layers.

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`ALIASES_KEY`
`static com.fasterxml.jackson.databind.JavaType`	`ALIASES_TYPE`
`static java.lang.String`	`END_TIME_KEY`
`static java.lang.String`	`FIELDS_KEY`
`static com.fasterxml.jackson.databind.JavaType`	`FIELDS_TYPE`
`static java.lang.String`	`KEY_VALUES_KEY`
`static com.fasterxml.jackson.databind.JavaType`	`KEY_VALUES_TYPE`
`static java.lang.String`	`KEY_VALUES_WITH_WILDCARDS_KEY`
`static int`	`SPARK_COLUMN_CONDITION_MAX_SIZE`
`static java.lang.String`	`START_TIME_KEY`
`static java.lang.String`	`SYSTEM_KEY`
`static java.lang.String`	`VARIABLE_KEY`
`static com.fasterxml.jackson.databind.JavaType`	`VARIABLE_TYPE`

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public static final com.fasterxml.jackson.databind.JavaType KEY_VALUES_TYPE

public static final com.fasterxml.jackson.databind.JavaType ALIASES_TYPE

public static final com.fasterxml.jackson.databind.JavaType FIELDS_TYPE

public static final com.fasterxml.jackson.databind.JavaType VARIABLE_TYPE

public static final java.lang.String SYSTEM_KEY

public static final java.lang.String START_TIME_KEY

public static final java.lang.String END_TIME_KEY

public static final java.lang.String KEY_VALUES_KEY

public static final java.lang.String KEY_VALUES_WITH_WILDCARDS_KEY

public static final java.lang.String FIELDS_KEY

public static final java.lang.String ALIASES_KEY

public static final java.lang.String VARIABLE_KEY

Class Constants