Interface SystemIndices.Feature.MigrationPreparationHandler

Enclosing class:
SystemIndices.Feature
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface SystemIndices.Feature.MigrationPreparationHandler
Type for the handler that's invoked prior to migrating a Feature's system indices. See SystemIndexPlugin.prepareForIndicesMigration(ClusterService, Client, ActionListener).