public static ForeignKey FindForeignKey(
[NotNull] this EntityType entityType,
[NotNull] EntityType principalType,
[CanBeNull] string navigationToPrincipal,
[CanBeNull] string navigationToDependent,
[CanBeNull] IReadOnlyList <Property> foreignKeyProperties,
[CanBeNull] IReadOnlyList <Property> principalProperties,
bool?isUnique)
{
Check.NotNull(principalType, nameof(principalType));
return(entityType.GetForeignKeys().FirstOrDefault(fk =>
fk.IsCompatible(
principalType,
entityType,
navigationToPrincipal,
navigationToDependent,
foreignKeyProperties,
principalProperties,
isUnique)));
}