Runtime specification for devEngines field.
https://docs.npmjs.com/cli/v10/configuring-npm/package-json#devengines
Optional
The name of the runtime (e.g., "node", "bun", "deno").
An error to show when the engine doesn't match. If true, mismatches will cause an error. If false, only a warning.
The version range of the runtime.
Runtime specification for devEngines field.
See
https://docs.npmjs.com/cli/v10/configuring-npm/package-json#devengines