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feat: Complete target system with C# bindings and resource inference (#458)
* feat: Add Schema Registry and Validation Framework This commit introduces a comprehensive schema registry and validation framework, providing schema-based validation of resources and policy effects. - Thread-safe, in-memory registry for schema storage and management - Global registry patterns for effects and resources - Concurrent access with proper error handling - Unicode schema names support - JSON Schema-compliant validation for all primitive types - Advanced constraint validation (patterns, ranges, length limits) - Discriminated union support with anyOf schemas - Detailed error reporting with nested validation paths - Discriminated subobject validation for polymorphic schemas - **Registry Tests**: All registry operations - **Effect Tests**: Policy effect validation - **Resource Tests**: Resource validation - **Validation Tests**: Core validation engine - Thread-safety, error handling, integration scenarios, edge cases - **Dependencies**: dashmap, once_cell, regex - **Thread Safety**: Minimal locking with Rc<Schema> sharing - **Error Types**: TypeMismatch, OutOfRange, PatternMismatch, etc. - Complete schema registry and validation subsystem - Comprehensive test coverage - Foundation for policy validation in Regorus Benchmarks: - Criterion benchmarks for basic types, effects and Azure resources - Performance range: 3.22ns (string) to 34.74µs (Azure VM resource schema validation) - String withs patterns validation: 30.2µs. Need to explore whether regex caching helps bring this down. - Azure policy effects: 188ns-1.4µs Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com> * feat: Complete target system with C# bindings and resource inference - Add comprehensive target system with TargetRegistry and target-aware compilation - Implement resource type inference from policy equality expressions - Create modular C# bindings with separate wrapper classes for each concept - Add thread-safe CompiledPolicy with reference counting for safe disposal - Enhance FFI with detailed error propagation and target functionality - Create TargetExampleApp demonstrating Azure Policy integration - Add CI/CD pipeline testing for all C# applications - Support target definitions with schema validation and resource selectors - Implement PolicyModule struct and target-aware compilation methods - Add comprehensive test coverage for target functionality Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com> --------- Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
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{
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"name": "target.tests.complex_target",
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"description": "A complex target for testing advanced features including discriminated unions",
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"version": "2.0.0",
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"resource_schema_selector": "resourceType",
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"resource_schemas": [
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{
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"type": "object",
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"properties": {
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"name": { "type": "string" },
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"resourceType": { "const": "compute" },
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"spec": {
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"type": "object",
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"properties": {
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"cpu": { "type": "integer", "minimum": 1, "maximum": 64 },
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"memory": { "type": "string", "pattern": "^[0-9]+[GM]i$" }
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},
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"required": ["cpu", "memory"]
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}
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},
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"required": ["name", "resourceType", "spec"]
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},
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{
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"type": "object",
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"properties": {
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"name": { "type": "string" },
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"resourceType": { "const": "storage" },
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"spec": {
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"type": "object",
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"properties": {
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"size": { "type": "string", "pattern": "^[0-9]+[GTM]i$" },
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"type": { "enum": ["ssd", "hdd", "nvme"] }
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},
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"required": ["size", "type"]
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}
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},
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"required": ["name", "resourceType", "spec"]
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},
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{
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"type": "object",
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"properties": {
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"name": { "type": "string" },
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"resourceType": { "type": "string" },
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"spec": { "type": "object" }
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},
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"required": ["name"],
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"additionalProperties": true
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}
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],
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"effects": {
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"allow": { "type": "boolean" },
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"deny": { "type": "boolean" },
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"audit": {
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"type": "object",
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"properties": {
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"action": { "type": "string" },
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"severity": { "enum": ["low", "medium", "high", "critical"] },
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"details": {
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"type": "object",
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"properties": {
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"eventType": { "type": "string" }
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},
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"required": ["eventType"],
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"allOf": [
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{
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"if": {
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"properties": {
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"eventType": { "const": "access" }
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}
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},
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"then": {
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"properties": {
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"user": { "type": "string" },
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"resource": { "type": "string" },
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"timestamp": { "type": "string" }
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},
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"required": ["user", "resource", "timestamp"]
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}
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},
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{
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"if": {
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"properties": {
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"eventType": { "const": "modification" }
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}
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},
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"then": {
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"properties": {
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"user": { "type": "string" },
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"resource": { "type": "string" },
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"changes": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"field": { "type": "string" },
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"oldValue": { "type": "any" },
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"newValue": { "type": "any" }
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},
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"required": ["field", "oldValue", "newValue"]
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}
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}
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},
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"required": ["user", "resource", "changes"]
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}
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},
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{
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"if": {
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"properties": {
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"eventType": { "const": "security" }
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}
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},
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"then": {
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"properties": {
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"threatLevel": { "enum": ["low", "medium", "high"] },
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"source": { "type": "string" },
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"indicators": {
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"type": "array",
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"items": { "type": "string" }
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}
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},
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"required": ["threatLevel", "source", "indicators"]
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}
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}
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]
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}
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},
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"required": ["action", "severity", "details"]
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},
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"remediate": {
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"type": "object",
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"properties": {
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"actionType": { "type": "string" },
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"config": {
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"type": "object",
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"properties": {
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"operation": { "type": "string" }
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},
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"required": ["operation"],
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"allOf": [
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{
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"if": {
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"properties": {
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"operation": { "const": "quarantine" }
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}
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},
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"then": {
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"properties": {
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"duration": { "type": "string", "pattern": "^[0-9]+[hmd]$" },
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"reason": { "type": "string" }
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},
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"required": ["duration", "reason"]
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}
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},
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{
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"if": {
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"properties": {
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"operation": { "const": "scale" }
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}
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},
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"then": {
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"properties": {
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"targetSize": { "type": "integer", "minimum": 0, "maximum": 100 },
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"metric": { "enum": ["cpu", "memory", "requests"] }
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},
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"required": ["targetSize", "metric"]
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}
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},
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{
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"if": {
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"properties": {
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"operation": { "const": "replace" }
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}
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},
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"then": {
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"properties": {
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"newResource": {
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"type": "object",
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"properties": {
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"type": { "type": "string" },
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"spec": { "type": "object" }
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},
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"required": ["type", "spec"]
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},
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"preserveData": { "type": "boolean" }
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},
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"required": ["newResource", "preserveData"]
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}
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}
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]
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}
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},
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"required": ["actionType", "config"]
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}
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}
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}
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