[android-components](../../../index.md) / [mozilla.components.support.migration](../../index.md) / [FennecMigrator](../index.md) / [Builder](index.md) / [&lt;init&gt;](./-init-.md)

# &lt;init&gt;

`Builder(context: <ERROR CLASS>, crashReporter: `[`CrashReporting`](../../../mozilla.components.support.base.crash/-crash-reporting/index.md)`)`

Data migration builder. Allows configuring which migrations to run, their versions and relative order.

