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‎tools/flagd-http-connector/CHANGELOG.md‎

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# Changelog
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## [0.1.2](https://github.com/open-feature/java-sdk-contrib/compare/dev.openfeature.contrib.tools.junitopenfeature-v0.1.1...dev.openfeature.contrib.tools.junitopenfeature-v0.1.2) (2024-12-03)
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### ✨ New Features
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* added interception of parameterized tests to Junit OpenFeature Extension ([#1093](https://github.com/open-feature/java-sdk-contrib/issues/1093)) ([a78c906](https://github.com/open-feature/java-sdk-contrib/commit/a78c906b24b53f7d25eb01aad85ed614eb30ca05))
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## [0.1.1](https://github.com/open-feature/java-sdk-contrib/compare/dev.openfeature.contrib.tools.junitopenfeature-v0.1.0...dev.openfeature.contrib.tools.junitopenfeature-v0.1.1) (2024-09-27)
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### 🐛 Bug Fixes
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* race condition causing default when multiple flags are used ([#983](https://github.com/open-feature/java-sdk-contrib/issues/983)) ([356a973](https://github.com/open-feature/java-sdk-contrib/commit/356a973cf2b6ddf82b8311ea200fa30df4f1d048))
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## [0.1.0](https://github.com/open-feature/java-sdk-contrib/compare/dev.openfeature.contrib.tools.junitopenfeature-v0.0.3...dev.openfeature.contrib.tools.junitopenfeature-v0.1.0) (2024-09-25)
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### 🐛 Bug Fixes
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* **deps:** update dependency org.apache.commons:commons-lang3 to v3.17.0 ([#932](https://github.com/open-feature/java-sdk-contrib/issues/932)) ([c598d9f](https://github.com/open-feature/java-sdk-contrib/commit/c598d9f0a61f2324fb85d72fdfea34811283c575))
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### 🐛 Bug Fixes
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* added missing dependency and installation instruction ([#895](https://github.com/open-feature/java-sdk-contrib/issues/895)) ([6748d02](https://github.com/open-feature/java-sdk-contrib/commit/6748d02403f0ceecb6cb9ecdfb2fecf98423a7db))
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* **deps:** update dependency org.apache.commons:commons-lang3 to v3.16.0 ([#908](https://github.com/open-feature/java-sdk-contrib/issues/908)) ([d21cfe3](https://github.com/open-feature/java-sdk-contrib/commit/d21cfe3ac7da1ff6e1a4dc2ee4b0db5c24ed4847))
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## [0.0.2](https://github.com/open-feature/java-sdk-contrib/compare/dev.openfeature.contrib.tools.junitopenfeature-v0.0.1...dev.openfeature.contrib.tools.junitopenfeature-v0.0.2) (2024-07-29)
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### ✨ New Features
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* Add JUnit5 extension for OpenFeature ([#888](https://github.com/open-feature/java-sdk-contrib/issues/888)) ([9fff9db](https://github.com/open-feature/java-sdk-contrib/commit/9fff9db4bcee3c3ae8128a1b2fb040f53df1d5ed))

‎tools/flagd-http-connector/README.md‎

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This approach optimizes resource usage by preventing redundant polling across services.
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### Sample flow demonstrating the architecture
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This example demonstrates an architectural flow using:
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#### Basic Simple Configuration
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This example demonstrates a simple flow using:
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- GitHub as the source for flag payload.
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```mermaid
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sequenceDiagram
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participant service
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participant Github
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service->>Github: fetch
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Github->>service: payload
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Note right of service: polling interval passed
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service->>Github: fetch
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Github->>service: payload
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```
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#### Configuration with fail-safe cache and polling cache
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This example demonstrates a micro-services architectural flow using:
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- GitHub as the source for flag payload.
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- Redis serving as both the fail-safe initialization cache and the polling cache.
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### Usage example
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```java
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HttpConnectorOptions httpConnectorOptions = HttpConnectorOptions.builder()
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.url("http://example.com/flags")
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.build();
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FlagdProvider flagdProvider = new FlagdProvider(options);
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```
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#### HttpConnector using fail-safe cache and polling cache
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```java
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PayloadCache payloadCache = new PayloadCache() {
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@Override
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public void put(String key, String payload) {
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// implement put in cache
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}
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@Override
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public void put(String key, String payload, int ttlSeconds) {
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// implement put in cache with TTL
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}
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@Override
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public String get(String key) {
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// implement get from cache and return
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}
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};
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HttpConnectorOptions httpConnectorOptions = HttpConnectorOptions.builder()
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.url(testUrl)
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.useHttpCache(true)
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.payloadCache(payloadCache)
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.payloadCacheOptions(PayloadCacheOptions.builder().build())
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.useFailsafeCache(true)
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.pollIntervalSeconds(10)
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.usePollingCache(true)
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.build();
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HttpConnector connector = HttpConnector.builder()
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.httpConnectorOptions(httpConnectorOptions)
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.build();
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```
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### Configuration
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The Http Connector can be configured using the following properties in the `HttpConnectorOptions` class.:
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‎tools/flagd-http-connector/src/test/resources/testing-flags.json‎

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{
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"flags": {
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"boolean-flag": {
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"state": "ENABLED",
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"variants": {
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"on": true,
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"off": false
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},
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"defaultVariant": "on"
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},
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"string-flag": {
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"state": "ENABLED",
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"variants": {
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"greeting": "hi",
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"parting": "bye"
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},
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"defaultVariant": "greeting"
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},
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"integer-flag": {
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"state": "ENABLED",
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"variants": {
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"one": 1,
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"ten": 10
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},
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"defaultVariant": "ten"
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},
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"float-flag": {
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"state": "ENABLED",
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"variants": {
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"tenth": 0.1,
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"half": 0.5
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},
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"defaultVariant": "half"
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},
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"object-flag": {
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"state": "ENABLED",
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"variants": {
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"empty": {},
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"template": {
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"showImages": true,
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"title": "Check out these pics!",
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"imagesPerPage": 100
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}
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},
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"defaultVariant": "template"
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},
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"context-aware": {
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"state": "ENABLED",
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"variants": {
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"internal": "INTERNAL",
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"external": "EXTERNAL"
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},
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"defaultVariant": "external",
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"targeting": {
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"if": [
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{
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"and": [
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{
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"==": [
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{
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"var": [
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"fn"
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]
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},
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"Sulisław"
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]
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},
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{
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"==": [
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{
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"var": [
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"ln"
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]
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},
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"Świętopełk"
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]
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},
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{
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"==": [
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{
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"var": [
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"age"
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]
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},
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]
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},
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{
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"==": [
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{
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"var": [
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"customer"
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]
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},
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false
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]
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}
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]
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},
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"internal",
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"external"
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]
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}
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},
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"timestamp-flag": {
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"state": "ENABLED",
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"variants": {
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"past": -1,
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"future": 1,
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"none": 0
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},
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"defaultVariant": "none",
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"targeting": {
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"if": [
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{
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">": [ { "var": "$flagd.timestamp" }, { "var": "time" } ]
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},
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"past",
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{
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"if": [
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{
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"<": [ { "var": "$flagd.timestamp" }, { "var": "time" } ]
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},
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"future", "none"
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]
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}
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]
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}
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},
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"wrong-flag": {
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"state": "ENABLED",
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"variants": {
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"one": "uno",
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"two": "dos"
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},
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"defaultVariant": "one"
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},
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"targeting-key-flag": {
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"state": "ENABLED",
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"variants": {
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"miss": "miss",
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"hit": "hit"
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},
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"defaultVariant": "miss",
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"targeting": {
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"if": [
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{
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"==": [ { "var": "targetingKey" }, "5c3d8535-f81a-4478-a6d3-afaa4d51199e" ]
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},
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"hit",
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null
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]
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}
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}
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}
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}

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