# Class BaseObjectPoolConfig<T>

java.lang.Object
org.apache.tomcat.dbcp.pool2.BaseObject
org.apache.tomcat.dbcp.pool2.impl.BaseObjectPoolConfig<T>

Type Parameters:
  `T` - Type of element pooled.

All Implemented Interfaces:
  `Cloneable`

Direct Known Subclasses:
  `GenericKeyedObjectPoolConfig`, `GenericObjectPoolConfig`

public abstract class BaseObjectPoolConfig<T> extends BaseObject implements Cloneable
Provides the implementation for the common attributes shared by the sub-classes. New instances of this class will be created using the defaults defined by the public constants.

This class is not thread-safe.

Since:
  2.0

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final boolean`
  `DEFAULT_BLOCK_WHEN_EXHAUSTED`
  The default value for the `blockWhenExhausted` configuration attribute: true.
  `static final Duration`
  `DEFAULT_DURATION_BETWEEN_EVICTION_RUNS`
  The default value for the `timeBetweenEvictionRuns` configuration attribute.
  `static final String`
  `DEFAULT_EVICTION_POLICY_CLASS_NAME`
  The default value for the `evictionPolicyClassName` configuration attribute.
  `static final Duration`
  `DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT`
  The default value for `evictorShutdownTimeout` configuration attribute.
  `static final long`
  `DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT_MILLIS`
  Deprecated.
  Use `DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT`.
  `static final boolean`
  `DEFAULT_FAIRNESS`
  The default value for the `fairness` configuration attribute: false.
  `static final boolean`
  `DEFAULT_JMX_ENABLE`
  The default value for enabling JMX for pools created with a configuration instance: true.
  `static final String`
  `DEFAULT_JMX_NAME_BASE`
  The default value for the base name to use to name JMX enabled pools created with a configuration instance.
  `static final String`
  `DEFAULT_JMX_NAME_PREFIX`
  The default value for the prefix used to name JMX enabled pools created with a configuration instance: "pool".
  `static final boolean`
  `DEFAULT_LIFO`
  The default value for the `lifo` configuration attribute: true.
  `static final Duration`
  `DEFAULT_MAX_WAIT`
  The default value for the `maxWait` configuration attribute.
  `static final long`
  `DEFAULT_MAX_WAIT_MILLIS`
  Deprecated.
  Use `DEFAULT_MAX_WAIT`.
  `static final Duration`
  `DEFAULT_MIN_EVICTABLE_IDLE_DURATION`
  The default value for the `minEvictableIdleDuration` configuration attribute.
  `static final Duration`
  `DEFAULT_MIN_EVICTABLE_IDLE_TIME`
  Deprecated.
  Use `DEFAULT_MIN_EVICTABLE_IDLE_DURATION`.
  `static final long`
  `DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS`
  Deprecated.
  Use `DEFAULT_MIN_EVICTABLE_IDLE_TIME`.
  `static final int`
  `DEFAULT_NUM_TESTS_PER_EVICTION_RUN`
  The default value for the `numTestsPerEvictionRun` configuration attribute: 3.
  `static final Duration`
  `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION`
  The default value for the `softMinEvictableIdleTime` configuration attribute.
  `static final Duration`
  `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME`
  Deprecated.
  Use `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION`.
  `static final long`
  `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME_MILLIS`
  Deprecated.
  Use `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME`.
  `static final boolean`
  `DEFAULT_TEST_ON_BORROW`
  The default value for the `testOnBorrow` configuration attribute: false.
  `static final boolean`
  `DEFAULT_TEST_ON_CREATE`
  The default value for the `testOnCreate` configuration attribute: false.
  `static final boolean`
  `DEFAULT_TEST_ON_RETURN`
  The default value for the `testOnReturn` configuration attribute: false.
  `static final boolean`
  `DEFAULT_TEST_WHILE_IDLE`
  The default value for the `testWhileIdle` configuration attribute: false.
  `static final Duration`
  `DEFAULT_TIME_BETWEEN_EVICTION_RUNS`
  Deprecated.
  Use `DEFAULT_DURATION_BETWEEN_EVICTION_RUNS`.
  `static final long`
  `DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS`
  Deprecated.
  Use `DEFAULT_TIME_BETWEEN_EVICTION_RUNS`.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `BaseObjectPoolConfig()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean`
  `getBlockWhenExhausted()`
  Gets the value for the `blockWhenExhausted` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getDurationBetweenEvictionRuns()`
  Gets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
  `EvictionPolicy<T>`
  `getEvictionPolicy()`
  Gets the value for the `evictionPolicyClass` configuration attribute for pools created with this configuration instance.
  `String`
  `getEvictionPolicyClassName()`
  Gets the value for the `evictionPolicyClassName` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getEvictorShutdownTimeout()`
  Deprecated.
  Use `getEvictorShutdownTimeoutDuration()`.
  `Duration`
  `getEvictorShutdownTimeoutDuration()`
  Gets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
  `long`
  `getEvictorShutdownTimeoutMillis()`
  Deprecated.
  Use `getEvictorShutdownTimeout()`.
  `boolean`
  `getFairness()`
  Gets the value for the `fairness` configuration attribute for pools created with this configuration instance.
  `boolean`
  `getJmxEnabled()`
  Gets the value of the flag that determines if JMX will be enabled for pools created with this configuration instance.
  `String`
  `getJmxNameBase()`
  Gets the value of the JMX name base that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
  `String`
  `getJmxNamePrefix()`
  Gets the value of the JMX name prefix that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
  `boolean`
  `getLifo()`
  Gets the value for the `lifo` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getMaxWaitDuration()`
  Gets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
  `long`
  `getMaxWaitMillis()`
  Deprecated.
  Use `getMaxWaitDuration()`.
  `Duration`
  `getMinEvictableIdleDuration()`
  Gets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getMinEvictableIdleTime()`
  Deprecated.
  Use `getMinEvictableIdleDuration()`.
  `long`
  `getMinEvictableIdleTimeMillis()`
  Deprecated.
  Use `getMinEvictableIdleTime()`.
  `int`
  `getNumTestsPerEvictionRun()`
  Gets the value for the `numTestsPerEvictionRun` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getSoftMinEvictableIdleDuration()`
  Gets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getSoftMinEvictableIdleTime()`
  Deprecated.
  Use `getSoftMinEvictableIdleDuration()`.
  `long`
  `getSoftMinEvictableIdleTimeMillis()`
  Deprecated.
  Use `getSoftMinEvictableIdleDuration()`.
  `boolean`
  `getTestOnBorrow()`
  Gets the value for the `testOnBorrow` configuration attribute for pools created with this configuration instance.
  `boolean`
  `getTestOnCreate()`
  Gets the value for the `testOnCreate` configuration attribute for pools created with this configuration instance.
  `boolean`
  `getTestOnReturn()`
  Gets the value for the `testOnReturn` configuration attribute for pools created with this configuration instance.
  `boolean`
  `getTestWhileIdle()`
  Gets the value for the `testWhileIdle` configuration attribute for pools created with this configuration instance.
  `Duration`
  `getTimeBetweenEvictionRuns()`
  Deprecated.
  Use `getDurationBetweenEvictionRuns()`.
  `long`
  `getTimeBetweenEvictionRunsMillis()`
  Deprecated.
  Use `getDurationBetweenEvictionRuns()`.
  `void`
  `setBlockWhenExhausted(boolean blockWhenExhausted)`
  Sets the value for the `blockWhenExhausted` configuration attribute for pools created with this configuration instance.
  `void`
  `setEvictionPolicy(EvictionPolicy<T> evictionPolicy)`
  Sets the value for the `evictionPolicyClass` configuration attribute for pools created with this configuration instance.
  `void`
  `setEvictionPolicyClassName(String evictionPolicyClassName)`
  Sets the value for the `evictionPolicyClassName` configuration attribute for pools created with this configuration instance.
  `void`
  `setEvictorShutdownTimeout(Duration evictorShutdownTimeoutDuration)`
  Sets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
  `void`
  `setEvictorShutdownTimeoutMillis(long evictorShutdownTimeoutMillis)`
  Deprecated.
  Use `setEvictorShutdownTimeout(Duration)`.
  `void`
  `setEvictorShutdownTimeoutMillis(Duration evictorShutdownTimeout)`
  Deprecated.
  Use `setEvictorShutdownTimeout(Duration)`.
  `void`
  `setFairness(boolean fairness)`
  Sets the value for the `fairness` configuration attribute for pools created with this configuration instance.
  `void`
  `setJmxEnabled(boolean jmxEnabled)`
  Sets the value of the flag that determines if JMX will be enabled for pools created with this configuration instance.
  `void`
  `setJmxNameBase(String jmxNameBase)`
  Sets the value of the JMX name base that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
  `void`
  `setJmxNamePrefix(String jmxNamePrefix)`
  Sets the value of the JMX name prefix that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
  `void`
  `setLifo(boolean lifo)`
  Sets the value for the `lifo` configuration attribute for pools created with this configuration instance.
  `void`
  `setMaxWait(Duration maxWaitDuration)`
  Sets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
  `void`
  `setMaxWaitMillis(long maxWaitMillis)`
  Deprecated.
  Use `setMaxWait(Duration)`.
  `void`
  `setMinEvictableIdleDuration(Duration minEvictableIdleTime)`
  Sets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
  `void`
  `setMinEvictableIdleTime(Duration minEvictableIdleTime)`
  Deprecated.
  Use `setMinEvictableIdleDuration(Duration)`.
  `void`
  `setMinEvictableIdleTimeMillis(long minEvictableIdleTimeMillis)`
  Deprecated.
  Use `setMinEvictableIdleDuration(Duration)`.
  `void`
  `setNumTestsPerEvictionRun(int numTestsPerEvictionRun)`
  Sets the value for the `numTestsPerEvictionRun` configuration attribute for pools created with this configuration instance.
  `void`
  `setSoftMinEvictableIdleDuration(Duration softMinEvictableIdleTime)`
  Sets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
  `void`
  `setSoftMinEvictableIdleTime(Duration softMinEvictableIdleTime)`
  Deprecated.
  Use `setSoftMinEvictableIdleDuration(Duration)`.
  `void`
  `setSoftMinEvictableIdleTimeMillis(long softMinEvictableIdleTimeMillis)`
  Deprecated.
  Use `setSoftMinEvictableIdleDuration(Duration)`.
  `void`
  `setTestOnBorrow(boolean testOnBorrow)`
  Sets the value for the `testOnBorrow` configuration attribute for pools created with this configuration instance.
  `void`
  `setTestOnCreate(boolean testOnCreate)`
  Sets the value for the `testOnCreate` configuration attribute for pools created with this configuration instance.
  `void`
  `setTestOnReturn(boolean testOnReturn)`
  Sets the value for the `testOnReturn` configuration attribute for pools created with this configuration instance.
  `void`
  `setTestWhileIdle(boolean testWhileIdle)`
  Sets the value for the `testWhileIdle` configuration attribute for pools created with this configuration instance.
  `void`
  `setTimeBetweenEvictionRuns(Duration timeBetweenEvictionRuns)`
  Sets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
  `void`
  `setTimeBetweenEvictionRunsMillis(long timeBetweenEvictionRunsMillis)`
  Deprecated.
  Use `setTimeBetweenEvictionRuns(Duration)`.
  `protected void`
  `toStringAppendFields(StringBuilder builder)`
  Used by sub-classes to include the fields defined by the sub-class in the `BaseObject.toString()` output.

  ### Methods inherited from class org.apache.tomcat.dbcp.pool2.BaseObject

  `toString`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- ## Field Details

  - ### DEFAULT_LIFO

    public static final boolean DEFAULT_LIFO
    The default value for the `lifo` configuration attribute: true.
    See Also:
      - `BaseGenericObjectPool.getLifo()`
      - `BaseGenericObjectPool.getLifo()`
      - Constant Field Values

  - ### DEFAULT_FAIRNESS

    public static final boolean DEFAULT_FAIRNESS
    The default value for the `fairness` configuration attribute: false.
    See Also:
      - `BaseGenericObjectPool.getFairness()`
      - `BaseGenericObjectPool.getFairness()`
      - Constant Field Values

  - ### DEFAULT_MAX_WAIT_MILLIS

    @Deprecated public static final long DEFAULT_MAX_WAIT_MILLIS
    Deprecated.
    Use `DEFAULT_MAX_WAIT`.
    The default value for the `maxWait` configuration attribute: -1L.
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - Constant Field Values

  - ### DEFAULT_MAX_WAIT

    public static final Duration DEFAULT_MAX_WAIT
    The default value for the `maxWait` configuration attribute.
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`

  - ### DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS

    @Deprecated public static final long DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS
    Deprecated.
    Use `DEFAULT_MIN_EVICTABLE_IDLE_TIME`.
    The default value for the `minEvictableIdleDuration` configuration attribute: 1800000L.
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - Constant Field Values

  - ### DEFAULT_MIN_EVICTABLE_IDLE_DURATION

    public static final Duration DEFAULT_MIN_EVICTABLE_IDLE_DURATION
    The default value for the `minEvictableIdleDuration` configuration attribute.
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### DEFAULT_MIN_EVICTABLE_IDLE_TIME

    @Deprecated public static final Duration DEFAULT_MIN_EVICTABLE_IDLE_TIME
    Deprecated.
    Use `DEFAULT_MIN_EVICTABLE_IDLE_DURATION`.
    The default value for the `minEvictableIdleDuration` configuration attribute.
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME_MILLIS

    @Deprecated public static final long DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME_MILLIS
    Deprecated.
    Use `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME`.
    The default value for the `softMinEvictableIdleTime` configuration attribute: -1L.
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - Constant Field Values

  - ### DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME

    @Deprecated public static final Duration DEFAULT_SOFT_MIN_EVICTABLE_IDLE_TIME
    Deprecated.
    Use `DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION`.
    The default value for the `softMinEvictableIdleTime` configuration attribute.
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION

    public static final Duration DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION
    The default value for the `softMinEvictableIdleTime` configuration attribute.
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT_MILLIS

    @Deprecated public static final long DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT_MILLIS
    Deprecated.
    Use `DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT`.
    The default value for `evictorShutdownTimeout` configuration attribute: 10000L.
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - Constant Field Values

  - ### DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT

    public static final Duration DEFAULT_EVICTOR_SHUTDOWN_TIMEOUT
    The default value for `evictorShutdownTimeout` configuration attribute.
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### DEFAULT_NUM_TESTS_PER_EVICTION_RUN

    public static final int DEFAULT_NUM_TESTS_PER_EVICTION_RUN
    The default value for the `numTestsPerEvictionRun` configuration attribute: 3.
    See Also:
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`
      - Constant Field Values

  - ### DEFAULT_TEST_ON_CREATE

    public static final boolean DEFAULT_TEST_ON_CREATE
    The default value for the `testOnCreate` configuration attribute: false.
    Since:
      2.2
    See Also:
      - `BaseGenericObjectPool.getTestOnCreate()`
      - `BaseGenericObjectPool.getTestOnCreate()`
      - Constant Field Values

  - ### DEFAULT_TEST_ON_BORROW

    public static final boolean DEFAULT_TEST_ON_BORROW
    The default value for the `testOnBorrow` configuration attribute: false.
    See Also:
      - `BaseGenericObjectPool.getTestOnBorrow()`
      - `BaseGenericObjectPool.getTestOnBorrow()`
      - Constant Field Values

  - ### DEFAULT_TEST_ON_RETURN

    public static final boolean DEFAULT_TEST_ON_RETURN
    The default value for the `testOnReturn` configuration attribute: false.
    See Also:
      - `BaseGenericObjectPool.getTestOnReturn()`
      - `BaseGenericObjectPool.getTestOnReturn()`
      - Constant Field Values

  - ### DEFAULT_TEST_WHILE_IDLE

    public static final boolean DEFAULT_TEST_WHILE_IDLE
    The default value for the `testWhileIdle` configuration attribute: false.
    See Also:
      - `BaseGenericObjectPool.getTestWhileIdle()`
      - `BaseGenericObjectPool.getTestWhileIdle()`
      - Constant Field Values

  - ### DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS

    @Deprecated public static final long DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS
    Deprecated.
    Use `DEFAULT_TIME_BETWEEN_EVICTION_RUNS`.
    The default value for the `timeBetweenEvictionRuns` configuration attribute: -1L.
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - Constant Field Values

  - ### DEFAULT_DURATION_BETWEEN_EVICTION_RUNS

    public static final Duration DEFAULT_DURATION_BETWEEN_EVICTION_RUNS
    The default value for the `timeBetweenEvictionRuns` configuration attribute.
    Since:
      2.12.0
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### DEFAULT_TIME_BETWEEN_EVICTION_RUNS

    @Deprecated public static final Duration DEFAULT_TIME_BETWEEN_EVICTION_RUNS
    Deprecated.
    Use `DEFAULT_DURATION_BETWEEN_EVICTION_RUNS`.
    The default value for the `timeBetweenEvictionRuns` configuration attribute.
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### DEFAULT_BLOCK_WHEN_EXHAUSTED

    public static final boolean DEFAULT_BLOCK_WHEN_EXHAUSTED
    The default value for the `blockWhenExhausted` configuration attribute: true.
    See Also:
      - `BaseGenericObjectPool.getBlockWhenExhausted()`
      - `BaseGenericObjectPool.getBlockWhenExhausted()`
      - Constant Field Values

  - ### DEFAULT_JMX_ENABLE

    public static final boolean DEFAULT_JMX_ENABLE
    The default value for enabling JMX for pools created with a configuration instance: true.
    See Also:
      - Constant Field Values

  - ### DEFAULT_JMX_NAME_PREFIX

    public static final String DEFAULT_JMX_NAME_PREFIX
    The default value for the prefix used to name JMX enabled pools created with a configuration instance: "pool".
    See Also:
      - `BaseGenericObjectPool.getJmxName()`
      - `BaseGenericObjectPool.getJmxName()`
      - Constant Field Values

  - ### DEFAULT_JMX_NAME_BASE

    public static final String DEFAULT_JMX_NAME_BASE
    The default value for the base name to use to name JMX enabled pools created with a configuration instance. The default is `null` which means the pool will provide the base name to use.
    See Also:
      - `BaseGenericObjectPool.getJmxName()`
      - `BaseGenericObjectPool.getJmxName()`

  - ### DEFAULT_EVICTION_POLICY_CLASS_NAME

    public static final String DEFAULT_EVICTION_POLICY_CLASS_NAME
    The default value for the `evictionPolicyClassName` configuration attribute.
    See Also:
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`

- ## Constructor Details

  - ### BaseObjectPoolConfig

    public BaseObjectPoolConfig()

- ## Method Details

  - ### getBlockWhenExhausted

    public boolean getBlockWhenExhausted()
    Gets the value for the `blockWhenExhausted` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `blockWhenExhausted` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getBlockWhenExhausted()`
      - `BaseGenericObjectPool.getBlockWhenExhausted()`

  - ### getDurationBetweenEvictionRuns

    public Duration getDurationBetweenEvictionRuns()
    Gets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `timeBetweenEvictionRuns` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### getEvictionPolicy

    public EvictionPolicy<T> getEvictionPolicy()
    Gets the value for the `evictionPolicyClass` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `evictionPolicyClass` for this configuration instance
    Since:
      2.6.0
    See Also:
      - `BaseGenericObjectPool.getEvictionPolicy()`
      - `BaseGenericObjectPool.getEvictionPolicy()`

  - ### getEvictionPolicyClassName

    public String getEvictionPolicyClassName()
    Gets the value for the `evictionPolicyClassName` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `evictionPolicyClassName` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`

  - ### getEvictorShutdownTimeout

    @Deprecated public Duration getEvictorShutdownTimeout()
    Deprecated.
    Use `getEvictorShutdownTimeoutDuration()`.
    Gets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `evictorShutdownTimeout` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### getEvictorShutdownTimeoutDuration

    public Duration getEvictorShutdownTimeoutDuration()
    Gets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `evictorShutdownTimeout` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### getEvictorShutdownTimeoutMillis

    @Deprecated public long getEvictorShutdownTimeoutMillis()
    Deprecated.
    Use `getEvictorShutdownTimeout()`.
    Gets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `evictorShutdownTimeout` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### getFairness

    public boolean getFairness()
    Gets the value for the `fairness` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `fairness` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getFairness()`
      - `BaseGenericObjectPool.getFairness()`

  - ### getJmxEnabled

    public boolean getJmxEnabled()
    Gets the value of the flag that determines if JMX will be enabled for pools created with this configuration instance.
    Returns:
      The current setting of `jmxEnabled` for this configuration instance

  - ### getJmxNameBase

    public String getJmxNameBase()
    Gets the value of the JMX name base that will be used as part of the name assigned to JMX enabled pools created with this configuration instance. A value of `null` means that the pool will define the JMX name base.
    Returns:
      The current setting of `jmxNameBase` for this configuration instance

  - ### getJmxNamePrefix

    public String getJmxNamePrefix()
    Gets the value of the JMX name prefix that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
    Returns:
      The current setting of `jmxNamePrefix` for this configuration instance

  - ### getLifo

    public boolean getLifo()
    Gets the value for the `lifo` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `lifo` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getLifo()`
      - `BaseGenericObjectPool.getLifo()`

  - ### getMaxWaitDuration

    public Duration getMaxWaitDuration()
    Gets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `maxWait` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`

  - ### getMaxWaitMillis

    @Deprecated public long getMaxWaitMillis()
    Deprecated.
    Use `getMaxWaitDuration()`.
    Gets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `maxWait` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`

  - ### getMinEvictableIdleDuration

    public Duration getMinEvictableIdleDuration()
    Gets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `minEvictableIdleTime` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### getMinEvictableIdleTime

    @Deprecated public Duration getMinEvictableIdleTime()
    Deprecated.
    Use `getMinEvictableIdleDuration()`.
    Gets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `minEvictableIdleTime` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### getMinEvictableIdleTimeMillis

    @Deprecated public long getMinEvictableIdleTimeMillis()
    Deprecated.
    Use `getMinEvictableIdleTime()`.
    Gets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `minEvictableIdleTime` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### getNumTestsPerEvictionRun

    public int getNumTestsPerEvictionRun()
    Gets the value for the `numTestsPerEvictionRun` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `numTestsPerEvictionRun` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`

  - ### getSoftMinEvictableIdleDuration

    public Duration getSoftMinEvictableIdleDuration()
    Gets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `softMinEvictableIdleTime` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### getSoftMinEvictableIdleTime

    @Deprecated public Duration getSoftMinEvictableIdleTime()
    Deprecated.
    Use `getSoftMinEvictableIdleDuration()`.
    Gets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `softMinEvictableIdleTime` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### getSoftMinEvictableIdleTimeMillis

    @Deprecated public long getSoftMinEvictableIdleTimeMillis()
    Deprecated.
    Use `getSoftMinEvictableIdleDuration()`.
    Gets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `softMinEvictableIdleTime` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### getTestOnBorrow

    public boolean getTestOnBorrow()
    Gets the value for the `testOnBorrow` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `testOnBorrow` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestOnBorrow()`
      - `BaseGenericObjectPool.getTestOnBorrow()`

  - ### getTestOnCreate

    public boolean getTestOnCreate()
    Gets the value for the `testOnCreate` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `testOnCreate` for this configuration instance
    Since:
      2.2
    See Also:
      - `BaseGenericObjectPool.getTestOnCreate()`
      - `BaseGenericObjectPool.getTestOnCreate()`

  - ### getTestOnReturn

    public boolean getTestOnReturn()
    Gets the value for the `testOnReturn` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `testOnReturn` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestOnReturn()`
      - `BaseGenericObjectPool.getTestOnReturn()`

  - ### getTestWhileIdle

    public boolean getTestWhileIdle()
    Gets the value for the `testWhileIdle` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `testWhileIdle` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestWhileIdle()`
      - `BaseGenericObjectPool.getTestWhileIdle()`

  - ### getTimeBetweenEvictionRuns

    @Deprecated public Duration getTimeBetweenEvictionRuns()
    Deprecated.
    Use `getDurationBetweenEvictionRuns()`.
    Gets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `timeBetweenEvictionRuns` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### getTimeBetweenEvictionRunsMillis

    @Deprecated public long getTimeBetweenEvictionRunsMillis()
    Deprecated.
    Use `getDurationBetweenEvictionRuns()`.
    Gets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
    Returns:
      The current setting of `timeBetweenEvictionRuns` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### setBlockWhenExhausted

    public void setBlockWhenExhausted(boolean blockWhenExhausted)
    Sets the value for the `blockWhenExhausted` configuration attribute for pools created with this configuration instance.
    Parameters:
      `blockWhenExhausted` - The new setting of `blockWhenExhausted` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getBlockWhenExhausted()`
      - `BaseGenericObjectPool.getBlockWhenExhausted()`

  - ### setEvictionPolicy

    public void setEvictionPolicy(EvictionPolicy<T> evictionPolicy)
    Sets the value for the `evictionPolicyClass` configuration attribute for pools created with this configuration instance.
    Parameters:
      `evictionPolicy` - The new setting of `evictionPolicyClass` for this configuration instance
    Since:
      2.6.0
    See Also:
      - `BaseGenericObjectPool.getEvictionPolicy()`
      - `BaseGenericObjectPool.getEvictionPolicy()`

  - ### setEvictionPolicyClassName

    public void setEvictionPolicyClassName(String evictionPolicyClassName)
    Sets the value for the `evictionPolicyClassName` configuration attribute for pools created with this configuration instance.
    Parameters:
      `evictionPolicyClassName` - The new setting of `evictionPolicyClassName` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`
      - `BaseGenericObjectPool.getEvictionPolicyClassName()`

  - ### setEvictorShutdownTimeout

    public void setEvictorShutdownTimeout(Duration evictorShutdownTimeoutDuration)
    Sets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Parameters:
      `evictorShutdownTimeoutDuration` - The new setting of `evictorShutdownTimeout` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### setEvictorShutdownTimeoutMillis

    @Deprecated public void setEvictorShutdownTimeoutMillis(Duration evictorShutdownTimeout)
    Deprecated.
    Use `setEvictorShutdownTimeout(Duration)`.
    Sets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Parameters:
      `evictorShutdownTimeout` - The new setting of `evictorShutdownTimeout` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### setEvictorShutdownTimeoutMillis

    @Deprecated public void setEvictorShutdownTimeoutMillis(long evictorShutdownTimeoutMillis)
    Deprecated.
    Use `setEvictorShutdownTimeout(Duration)`.
    Sets the value for the `evictorShutdownTimeout` configuration attribute for pools created with this configuration instance.
    Parameters:
      `evictorShutdownTimeoutMillis` - The new setting of `evictorShutdownTimeout` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`
      - `BaseGenericObjectPool.getEvictorShutdownTimeoutDuration()`

  - ### setFairness

    public void setFairness(boolean fairness)
    Sets the value for the `fairness` configuration attribute for pools created with this configuration instance.
    Parameters:
      `fairness` - The new setting of `fairness` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getFairness()`
      - `BaseGenericObjectPool.getFairness()`

  - ### setJmxEnabled

    public void setJmxEnabled(boolean jmxEnabled)
    Sets the value of the flag that determines if JMX will be enabled for pools created with this configuration instance.
    Parameters:
      `jmxEnabled` - The new setting of `jmxEnabled` for this configuration instance

  - ### setJmxNameBase

    public void setJmxNameBase(String jmxNameBase)
    Sets the value of the JMX name base that will be used as part of the name assigned to JMX enabled pools created with this configuration instance. A value of `null` means that the pool will define the JMX name base.
    Parameters:
      `jmxNameBase` - The new setting of `jmxNameBase` for this configuration instance

  - ### setJmxNamePrefix

    public void setJmxNamePrefix(String jmxNamePrefix)
    Sets the value of the JMX name prefix that will be used as part of the name assigned to JMX enabled pools created with this configuration instance.
    Parameters:
      `jmxNamePrefix` - The new setting of `jmxNamePrefix` for this configuration instance

  - ### setLifo

    public void setLifo(boolean lifo)
    Sets the value for the `lifo` configuration attribute for pools created with this configuration instance.
    Parameters:
      `lifo` - The new setting of `lifo` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getLifo()`
      - `BaseGenericObjectPool.getLifo()`

  - ### setMaxWait

    public void setMaxWait(Duration maxWaitDuration)
    Sets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
    Parameters:
      `maxWaitDuration` - The new setting of `maxWaitDuration` for this configuration instance
    Since:
      2.11.0
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`

  - ### setMaxWaitMillis

    @Deprecated public void setMaxWaitMillis(long maxWaitMillis)
    Deprecated.
    Use `setMaxWait(Duration)`.
    Sets the value for the `maxWait` configuration attribute for pools created with this configuration instance.
    Parameters:
      `maxWaitMillis` - The new setting of `maxWaitMillis` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getMaxWaitDuration()`
      - `BaseGenericObjectPool.getMaxWaitDuration()`

  - ### setMinEvictableIdleDuration

    public void setMinEvictableIdleDuration(Duration minEvictableIdleTime)
    Sets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `minEvictableIdleTime` - The new setting of `minEvictableIdleTime` for this configuration instance
    Since:
      2.12.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### setMinEvictableIdleTime

    @Deprecated public void setMinEvictableIdleTime(Duration minEvictableIdleTime)
    Deprecated.
    Use `setMinEvictableIdleDuration(Duration)`.
    Sets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `minEvictableIdleTime` - The new setting of `minEvictableIdleTime` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### setMinEvictableIdleTimeMillis

    @Deprecated public void setMinEvictableIdleTimeMillis(long minEvictableIdleTimeMillis)
    Deprecated.
    Use `setMinEvictableIdleDuration(Duration)`.
    Sets the value for the `minEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `minEvictableIdleTimeMillis` - The new setting of `minEvictableIdleTime` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getMinEvictableIdleDuration()`

  - ### setNumTestsPerEvictionRun

    public void setNumTestsPerEvictionRun(int numTestsPerEvictionRun)
    Sets the value for the `numTestsPerEvictionRun` configuration attribute for pools created with this configuration instance.
    Parameters:
      `numTestsPerEvictionRun` - The new setting of `numTestsPerEvictionRun` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`
      - `BaseGenericObjectPool.getNumTestsPerEvictionRun()`

  - ### setSoftMinEvictableIdleDuration

    public void setSoftMinEvictableIdleDuration(Duration softMinEvictableIdleTime)
    Sets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `softMinEvictableIdleTime` - The new setting of `softMinEvictableIdleTime` for this configuration instance
    Since:
      2.12.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### setSoftMinEvictableIdleTime

    @Deprecated public void setSoftMinEvictableIdleTime(Duration softMinEvictableIdleTime)
    Deprecated.
    Use `setSoftMinEvictableIdleDuration(Duration)`.
    Sets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `softMinEvictableIdleTime` - The new setting of `softMinEvictableIdleTime` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### setSoftMinEvictableIdleTimeMillis

    @Deprecated public void setSoftMinEvictableIdleTimeMillis(long softMinEvictableIdleTimeMillis)
    Deprecated.
    Use `setSoftMinEvictableIdleDuration(Duration)`.
    Sets the value for the `softMinEvictableIdleTime` configuration attribute for pools created with this configuration instance.
    Parameters:
      `softMinEvictableIdleTimeMillis` - The new setting of `softMinEvictableIdleTime` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`
      - `BaseGenericObjectPool.getSoftMinEvictableIdleDuration()`

  - ### setTestOnBorrow

    public void setTestOnBorrow(boolean testOnBorrow)
    Sets the value for the `testOnBorrow` configuration attribute for pools created with this configuration instance.
    Parameters:
      `testOnBorrow` - The new setting of `testOnBorrow` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestOnBorrow()`
      - `BaseGenericObjectPool.getTestOnBorrow()`

  - ### setTestOnCreate

    public void setTestOnCreate(boolean testOnCreate)
    Sets the value for the `testOnCreate` configuration attribute for pools created with this configuration instance.
    Parameters:
      `testOnCreate` - The new setting of `testOnCreate` for this configuration instance
    Since:
      2.2
    See Also:
      - `BaseGenericObjectPool.getTestOnCreate()`
      - `BaseGenericObjectPool.getTestOnCreate()`

  - ### setTestOnReturn

    public void setTestOnReturn(boolean testOnReturn)
    Sets the value for the `testOnReturn` configuration attribute for pools created with this configuration instance.
    Parameters:
      `testOnReturn` - The new setting of `testOnReturn` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestOnReturn()`
      - `BaseGenericObjectPool.getTestOnReturn()`

  - ### setTestWhileIdle

    public void setTestWhileIdle(boolean testWhileIdle)
    Sets the value for the `testWhileIdle` configuration attribute for pools created with this configuration instance.
    Parameters:
      `testWhileIdle` - The new setting of `testWhileIdle` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getTestWhileIdle()`
      - `BaseGenericObjectPool.getTestWhileIdle()`

  - ### setTimeBetweenEvictionRuns

    public void setTimeBetweenEvictionRuns(Duration timeBetweenEvictionRuns)
    Sets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
    Parameters:
      `timeBetweenEvictionRuns` - The new setting of `timeBetweenEvictionRuns` for this configuration instance
    Since:
      2.10.0
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### setTimeBetweenEvictionRunsMillis

    @Deprecated public void setTimeBetweenEvictionRunsMillis(long timeBetweenEvictionRunsMillis)
    Deprecated.
    Use `setTimeBetweenEvictionRuns(Duration)`.
    Sets the value for the `timeBetweenEvictionRuns` configuration attribute for pools created with this configuration instance.
    Parameters:
      `timeBetweenEvictionRunsMillis` - The new setting of `timeBetweenEvictionRuns` for this configuration instance
    See Also:
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`
      - `BaseGenericObjectPool.getDurationBetweenEvictionRuns()`

  - ### toStringAppendFields

    protected void toStringAppendFields(StringBuilder builder)
    Description copied from class: `BaseObject`
    Used by sub-classes to include the fields defined by the sub-class in the `BaseObject.toString()` output.
    Overrides:
      `toStringAppendFields` in class `BaseObject`
    Parameters:
      `builder` - Field names and values are appended to this object