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chore: replace template placeholder in ROADMAP.adoc with project name
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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‎ROADMAP.adoc‎

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// SPDX-License-Identifier: PMPL-1.0-or-later
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= YOUR Template Repo Roadmap
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= TypeLL Roadmap
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:toc:
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:toclevels: 3
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:author: Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
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== Current Status
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== Overview
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Initial development phase.
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TypeLL is the unified type system verification kernel for the hyperpolymath ecosystem. It is to PanLL what LLVM is to Clang: the formal verification substrate that multiple language frontends compile _types_ into. TypeLL provides a 10-level type safety hierarchy used by VQL-UT, 007, Kategoria, PanLL, and the nextgen-languages suite.
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== Current State (2026-03-29)
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=== Architecture
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```
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Language Frontends (14 bridges)
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|
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v
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typell-core (unified kernel)
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types.rs — Unified type representation
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unify.rs — Robinson unification + occurs check
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infer.rs — Bidirectional type inference
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check.rs — Type checking coordinator
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linear.rs — Linear/affine usage tracking (QTT)
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effects.rs — Algebraic effect system
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qtt.rs — QTT semiring operations
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dimensional.rs — Dimensional analysis (SI units)
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session.rs — Session type protocols
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proof.rs — Proof obligation generation
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error.rs — Diagnostic types
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|
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v
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typell-server (HTTP/JSON-RPC on port 7800)
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```
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=== Rust Workspace (14 crates)
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[cols="1,2"]
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|===
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| Crate | Purpose
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| `typell-core`
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| Unified type kernel (11 modules: types, unify, infer, check, linear, effects, qtt, dimensional, session, proof, error)
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| `typell-server`
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| HTTP/JSON-RPC server (port 7800) with handler dispatch
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| `typell-vql`
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| VQL-UT bridge — maps 10-level type safety into TypeLL (4 modules: lib, bridge, levels, rules)
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| `typell-eclexia`
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| Eclexia language bridge (resource types, dimensional analysis)
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| `typell-affinescript`
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| AffineScript language bridge
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| `typell-ephapax`
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| Ephapax language bridge (linear types)
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| `typell-wokelang`
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| Wokelang language bridge
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| `typell-betlang`
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| Betlang language bridge
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| `typell-mylang`
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| My-Lang language bridge
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| `typell-oblibeny`
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| Oblibeny language bridge
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| `typell-tangle`
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| Tangle language bridge
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| `typell-jtv`
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| JTV language bridge
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| `typell-errorlang`
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| Errorlang language bridge
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| `typell-phronesis`
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| Phronesis language bridge
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|===
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=== 10-Level Type Safety Hierarchy
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[cols="1,2,2"]
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|===
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| Level | Name | TypeLL Concept
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| L1 | Parse-time safety | Well-formed AST
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| L2 | Schema-binding safety | Named type resolution
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| L3 | Type-compatible operations | Unification + operator checking
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| L4 | Null-safety | Option types, totality checking
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| L5 | Injection-proof safety | Refinement predicates
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| L6 | Result-type safety | Return type inference
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| L7 | Cardinality safety | Bounded quantifiers
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| L8 | Effect-tracking safety | Algebraic effects
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| L9 | Temporal safety | Session types, state machines
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| L10 | Linearity safety | QTT bounded usage, linear types
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|===
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=== ABI/FFI Layer
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* **Idris2 ABI:** `src/abi/Types.idr`, `Layout.idr`, `Foreign.idr` — dependent type proofs for interface correctness
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* **Zig FFI:** `ffi/zig/src/main.zig` — C-compatible implementation with integration tests
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=== Consumers
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* **VQL-UT** — Type-safe query language (supersedes VQL-DT); levels 7-10 map VQL-DT legacy extensions
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* **007** — Agent meta-language type system (tropical types, Five Facets)
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* **Kategoria** — Category theory verification; Route alpha achieved L9 (session types via Brady indexed monad)
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* **PanLL** — Cross-panel type intelligence (TypeLLService + TypeLLEngine in src/core/)
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* **typed-wasm** — TypeLL 10-level type safety applied to WASM memory, multi-module
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* **nextgen-languages** — 14 language frontends via bridge crates
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== Milestones
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=== v0.1.0 - Foundation
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* [ ] Core functionality
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* [ ] Basic documentation
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* [ ] CI/CD pipeline
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=== v0.1.0 — Core Kernel (COMPLETE)
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* [x] Unified type representation (HM polymorphism + dependent + linear + effects + sessions + dimensions + refinements)
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* [x] Robinson unification with occurs check
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* [x] Bidirectional type inference (synthesis + checking modes)
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* [x] QTT-based linearity tracking (Zero, One, Omega, Bounded(n))
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* [x] Algebraic effect system
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* [x] Dimensional analysis (SI-based, from Eclexia)
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* [x] Session type protocol duality checking
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* [x] Proof obligation generation for dependent types
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* [x] Error diagnostics
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* [x] `#![forbid(unsafe_code)]` across all crates
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=== v0.2.0 — Language Bridges (COMPLETE)
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* [x] 14 language bridge crates (eclexia, affinescript, ephapax, wokelang, betlang, mylang, oblibeny, tangle, jtv, errorlang, phronesis, vql)
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* [x] Each bridge: lib.rs + bridge.rs + rules.rs (language-specific type lowering)
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* [x] VQL-UT bridge maps all 10 levels including VQL-DT legacy (linear, session, effects, modal, proof-carrying, QTT)
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=== v0.3.0 — Server & Integration (COMPLETE)
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* [x] typell-server HTTP/JSON-RPC on port 7800
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* [x] Handler dispatch for type checking requests
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* [x] Wire-compatible serialization with PanLL (TypeLLModel.res)
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* [x] PanLL TypeLLService integration (cross-panel type intelligence)
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=== v0.4.0 — ABI/FFI Layer (COMPLETE)
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* [x] Idris2 ABI definitions (Types.idr, Layout.idr, Foreign.idr)
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* [x] Zig FFI implementation (main.zig)
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* [x] Integration tests (ffi/zig/test/integration_test.zig)
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* [x] ReScript example (examples/SafeDOMExample.res)
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=== v0.5.0 — Comprehensive Testing (IN PROGRESS)
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* [x] Core comprehensive tests (crates/typell-core/tests/core_comprehensive_tests.rs)
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* [x] Integration tests (tests/integration_test.rs)
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* [ ] Cross-bridge type checking tests (verify same type in 2+ languages unifies)
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* [ ] Performance benchmarks (large type graphs, deep unification)
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* [ ] Fuzz testing for unification and inference
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=== v0.6.0 — VQL-UT Deep Integration (PLANNED)
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* [ ] VQL-UT query type annotations (level metadata in query results)
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* [ ] Type-safe query composition (compose queries with verified type compatibility)
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* [ ] Query result type inference (infer return types from schema + query)
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* [ ] Level escalation tracking (which operations require higher levels)
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=== v0.7.0 — 007 Integration (PLANNED)
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* [ ] 007 agent type checking (tropical types, Five Facets)
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* [ ] Session type verification for agent choreographies
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* [ ] Effect tracking for agent side effects
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* [ ] Linear resource tracking for agent capabilities
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=== v0.8.0 — Production Hardening (PLANNED)
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* [ ] Sub-millisecond type checking for common cases
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* [ ] Incremental type checking (cache + invalidation)
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* [ ] LSP protocol support (IDE integration)
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* [ ] SARIF output for CI/CD integration
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* [ ] Documentation: architecture guide, language bridge development guide
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=== v1.0.0 — Stable Release (PLANNED)
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* [ ] All 14 language bridges fully tested
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* [ ] VQL-UT and 007 integrations production-ready
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* [ ] API stability guarantee (no breaking changes to core types)
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* [ ] Performance validated at scale
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* [ ] arXiv paper on 10-level type safety hierarchy
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* [ ] L10 cubical/HoTT support (requires cubical prover — currently a wall in pure Idris2)
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== Post-v1.0
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* **typed-wasm** — TypeLL 10-level type safety applied to WASM memory, multi-module breakthrough
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* **Additional language bridges** — Ada, Haskell, Rust, Gleam frontends
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* **Distributed type checking** — Federated TypeLL instances sharing type context
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* **Proof search** — Automated theorem proving for type obligations (ECHIDNA integration)
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* **Academic publication** — Graduated type safety as research contribution
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== License & Governance
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**License:** PMPL-1.0-or-later (Palimpsest License)
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**Author:** Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
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=== v1.0.0 - Stable Release
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* [ ] Full feature set
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* [ ] Comprehensive tests
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* [ ] Production ready
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**Repository:** https://github.com/hyperpolymath/typell
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== Future Directions
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---
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_To be determined based on community feedback._
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_Last Updated: 2026-03-29_

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