neo4j
diff --git a/‎packages/bolt-connection/src/connection-provider/connection-provider-pooled.js
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+7-2Lines changed: 7 additions & 2 deletions b/‎packages/bolt-connection/src/connection-provider/connection-provider-pooled.js
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+7-2Lines changed: 7 additions & 2 deletions
diff --git a/‎packages/bolt-connection/src/index.js
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-1Lines changed: 0 additions & 1 deletion b/‎packages/bolt-connection/src/index.js
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-1Lines changed: 0 additions & 1 deletion
diff --git a/‎packages/bolt-connection/test/connection-provider/connection-provider-direct.test.js
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+2-2Lines changed: 2 additions & 2 deletions b/‎packages/bolt-connection/test/connection-provider/connection-provider-direct.test.js
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+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎packages/bolt-connection/test/connection-provider/connection-provider-routing.test.js
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+2-2Lines changed: 2 additions & 2 deletions b/‎packages/bolt-connection/test/connection-provider/connection-provider-routing.test.js
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+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎packages/core/src/internal/index.ts
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+3-1Lines changed: 3 additions & 1 deletion b/‎packages/core/src/internal/index.ts
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+3-1Lines changed: 3 additions & 1 deletion
diff --git a/‎packages/bolt-connection/src/pool/index.js renamed to ‎packages/core/src/internal/pool/index.ts
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diff --git a/‎packages/bolt-connection/src/pool/pool-config.js renamed to ‎packages/core/src/internal/pool/pool-config.ts
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+13-11Lines changed: 13 additions & 11 deletions b/‎packages/bolt-connection/src/pool/pool-config.js renamed to ‎packages/core/src/internal/pool/pool-config.ts
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+13-11Lines changed: 13 additions & 11 deletions
@@ -16,8 +16,7 @@
  */
 
 import { createChannelConnection, ConnectionErrorHandler } from '../connection'
-import Pool, { PoolConfig } from '../pool'
-import { error, ConnectionProvider, ServerInfo, newError } from 'neo4j-driver-core'
+import { error, ConnectionProvider, ServerInfo, newError, internal } from 'neo4j-driver-core'
 import AuthenticationProvider from './authentication-provider'
 import { object } from '../lang'
 import LivenessCheckProvider from './liveness-check-provider'
@@ -31,6 +30,12 @@ const AUTHENTICATION_ERRORS = [
   'Neo.ClientError.Security.Unauthorized'
 ]
 
+const {
+  pool: {
+    Pool, PoolConfig
+  }
+} = internal
+
 export default class PooledConnectionProvider extends ConnectionProvider {
   constructor (
     { id, config, log, userAgent, boltAgent, authTokenManager, newPool = (...args) => new Pool(...args) },
 
@@ -20,6 +20,5 @@ export * as bolt from './bolt'
 export * as buf from './buf'
 export * as channel from './channel'
 export * as packstream from './packstream'
-export * as pool from './pool'
 
 export * from './connection-provider'
@@ -16,7 +16,6 @@
  */
 
 import DirectConnectionProvider from '../../src/connection-provider/connection-provider-direct'
-import { Pool } from '../../src/pool'
 import { Connection, DelegateConnection } from '../../src/connection'
 import { authTokenManagers, internal, newError, ServerInfo, staticAuthTokenManager } from 'neo4j-driver-core'
 import AuthenticationProvider from '../../src/connection-provider/authentication-provider'
@@ -25,7 +24,8 @@ import LivenessCheckProvider from '../../src/connection-provider/liveness-check-
 
 const {
   serverAddress: { ServerAddress },
-  logger: { Logger }
+  logger: { Logger },
+  pool: { Pool }
 } = internal
 
 describe('#unit DirectConnectionProvider', () => {
 
@@ -27,7 +27,6 @@ import {
   authTokenManagers
 } from 'neo4j-driver-core'
 import { RoutingTable } from '../../src/rediscovery/'
-import { Pool } from '../../src/pool'
 import SimpleHostNameResolver from '../../src/channel/browser/browser-host-name-resolver'
 import RoutingConnectionProvider from '../../src/connection-provider/connection-provider-routing'
 import { DelegateConnection, Connection } from '../../src/connection'
@@ -37,7 +36,8 @@ import LivenessCheckProvider from '../../src/connection-provider/liveness-check-
 
 const {
   serverAddress: { ServerAddress },
-  logger: { Logger }
+  logger: { Logger },
+  pool: { Pool }
 } = internal
 
 const { SERVICE_UNAVAILABLE, SESSION_EXPIRED } = error
 
@@ -29,6 +29,7 @@ import * as serverAddress from './server-address'
 import * as resolver from './resolver'
 import * as objectUtil from './object-util'
 import * as boltAgent from './bolt-agent/index'
+import * as pool from './pool'
 
 export {
   util,
@@ -44,5 +45,6 @@ export {
   serverAddress,
   resolver,
   objectUtil,
-  boltAgent
+  boltAgent,
+  pool
 }
@@ -19,40 +19,42 @@ const DEFAULT_MAX_SIZE = 100
 const DEFAULT_ACQUISITION_TIMEOUT = 60 * 1000 // 60 seconds
 
 export default class PoolConfig {
-  constructor (maxSize, acquisitionTimeout) {
+  public readonly maxSize: number
+  public readonly acquisitionTimeout: number
+
+  constructor (maxSize: number, acquisitionTimeout: number) {
     this.maxSize = valueOrDefault(maxSize, DEFAULT_MAX_SIZE)
     this.acquisitionTimeout = valueOrDefault(
       acquisitionTimeout,
       DEFAULT_ACQUISITION_TIMEOUT
     )
   }
 
-  static defaultConfig () {
+  static defaultConfig (): PoolConfig {
     return new PoolConfig(DEFAULT_MAX_SIZE, DEFAULT_ACQUISITION_TIMEOUT)
   }
 
-  static fromDriverConfig (config) {
-    const maxSizeConfigured = isConfigured(config.maxConnectionPoolSize)
-    const maxSize = maxSizeConfigured
+  static fromDriverConfig (config: { maxConnectionPoolSize?: number, connectionAcquisitionTimeout?: number }): PoolConfig {
+    const maxSize = isConfigured(config.maxConnectionPoolSize)
       ? config.maxConnectionPoolSize
       : DEFAULT_MAX_SIZE
-    const acquisitionTimeoutConfigured = isConfigured(
+
+    const acquisitionTimeout = isConfigured(
       config.connectionAcquisitionTimeout
     )
-    const acquisitionTimeout = acquisitionTimeoutConfigured
       ? config.connectionAcquisitionTimeout
       : DEFAULT_ACQUISITION_TIMEOUT
 
     return new PoolConfig(maxSize, acquisitionTimeout)
   }
 }
 
-function valueOrDefault (value, defaultValue) {
-  return value === 0 || value ? value : defaultValue
+function valueOrDefault (value: number | undefined, defaultValue: number): number {
+  return isConfigured(value) ? value : defaultValue
 }
 
-function isConfigured (value) {
-  return value === 0 || value
+function isConfigured (value?: number): value is number {
+  return value === 0 || value != null
 }
 
 export { DEFAULT_MAX_SIZE, DEFAULT_ACQUISITION_TIMEOUT }