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# Node.js Core Development Flags
These flags are specifically designed for use in Node.js core development and are not intended for general
application usage.
> \[!NOTE]
> These APIs are not bound by semantic versioning rules, and they can be altered or removed in any version of Node.js
## Command Line Interface (CLI)
### Flags
#### `--debug-arraybuffer-allocations`
Enables debugging of `ArrayBuffer` allocations.
#### `--expose-internals`
Allows the usage of `internal/*` modules, granting access to internal Node.js functionality.
#### `--inspect-brk-node[=[host:]port]`
Pauses execution at the start of Node.js application code, waiting for a debugger to connect on the specified
`host` and `port`. This is useful for debugging application startup issues. If `host` and `port` are not
provided, it defaults to `127.0.0.1:9229`.
#### `--node-snapshot`
Enables the use of Node.js snapshots, potentially improving startup performance.
#### `--test-udp-no-try-send`
Used for testing UDP functionality without attempting to send data.
#### `--trace-promises`
Enables tracing of promises for debugging and performance analysis.
#### `--verify-base-objects`
Allows verification of base objects for debugging purposes.
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