fix: lint error on dev (public apis)

sembast/lib/src/database_factory_mixin.dart

@@ -112,10 +112,12 @@ abstract class SembastDatabaseFactory implements DatabaseFactory {
   void removeDatabaseOpenHelper(String path);
 }
 
+/// Database factory mixin.
 mixin DatabaseFactoryMixin implements SembastDatabaseFactory {
   // for single instances only
   final _databaseOpenHelpers = <String, DatabaseOpenHelper>{};
 
+  /// Open a database with a given set of options.
   Future<Database> openDatabaseWithOptions(
       String path, DatabaseOpenOptions options) {
     // Always specify the default codec
@@ -138,6 +140,7 @@ mixin DatabaseFactoryMixin implements SembastDatabaseFactory {
             codec: codec));
   }
 
+  /// Get or create the open helper for a given path.
   DatabaseOpenHelper getDatabaseOpenHelper(
       String path, DatabaseOpenOptions options) {
     var helper = getExistingDatabaseOpenHelper(path);
@@ -148,6 +151,7 @@ mixin DatabaseFactoryMixin implements SembastDatabaseFactory {
     return helper;
   }
 
+  /// Get existing open helper for a given path.
   DatabaseOpenHelper getExistingDatabaseOpenHelper(String path) {
     if (path != null) {
       return _databaseOpenHelpers[path];
@@ -187,7 +191,7 @@ mixin DatabaseFactoryMixin implements SembastDatabaseFactory {
     return doDeleteDatabase(path);
   }
 
-  // Flush all opened databases
+  /// Flush all opened databases
   Future flush() async {
     var helpers = List<DatabaseOpenHelper>.from(_databaseOpenHelpers.values,
         growable: false);

sembast/lib/src/filter_impl.dart

@@ -44,24 +44,27 @@ class SembastCustomFilter extends SembastFilterBase {
   }
 }
 
-mixin AnyInListMixin implements SembastFilterBase {
+/// Any in list mixin.
+mixin FilterAnyInListMixin implements SembastFilterBase {
   /// True if it should match any in a list.
   bool anyInList;
 }
 
+/// Value mixin.
 mixin FilterValueMixin implements SembastFilterBase {
   /// The value.
   dynamic value;
 }
 
-mixin FieldFieldMixin implements SembastFilterBase {
+/// Field information (name) mixin
+mixin FilterFieldMixin implements SembastFilterBase {
   /// The field.
   String field;
 }
 
 /// Equals filter.
 class SembastEqualsFilter extends SembastFilterBase
-    with AnyInListMixin, FilterValueMixin, FieldFieldMixin {
+    with FilterAnyInListMixin, FilterValueMixin, FilterFieldMixin {
   /// Equals filter.
   SembastEqualsFilter(String field, dynamic value, bool anyInList) {
     this.field = field;
@@ -97,7 +100,7 @@ class SembastEqualsFilter extends SembastFilterBase
 
 /// Matches filter.
 class SembastMatchesFilter extends SembastFilterBase
-    with AnyInListMixin, FieldFieldMixin {
+    with FilterAnyInListMixin, FilterFieldMixin {
   /// The regular expression.
   final RegExp regExp;
 
@@ -183,7 +186,7 @@ class SembastCompositeFilter extends SembastFilterBase {
 
 /// Filter predicate implementation.
 class SembastFilterPredicate extends SembastFilterBase
-    with FilterValueMixin, FieldFieldMixin {
+    with FilterValueMixin, FilterFieldMixin {
   /// The operation.
   FilterOperation operation;
 

sembast/lib/src/record_impl.dart

@@ -15,6 +15,7 @@ abstract class SembastRecord extends RecordSnapshot<dynamic, dynamic> {
   bool get deleted;
 }
 
+/// Sembast record helper mixin.
 mixin SembastRecordHelperMixin implements SembastRecord {
   ///
   /// Copy a record.
@@ -47,7 +48,7 @@ mixin SembastRecordHelperMixin implements SembastRecord {
     return map;
   }
 
-  // The actual map written to disk
+  /// The actual map written to disk
   Map<String, dynamic> toDatabaseRowMap() {
     var map = _toBaseMap();
     // Don't write the value for deleted
@@ -76,6 +77,7 @@ abstract class SembastRecordValue<V> {
   V rawValue;
 }
 
+/// Sembast record mixin.
 mixin SembastRecordMixin implements SembastRecord, SembastRecordValue {
   bool _deleted;
 

sembast/lib/src/record_ref_impl.dart

@@ -10,6 +10,7 @@ import 'package:sembast/src/debug_utils.dart';
 import 'package:sembast/src/listener.dart';
 import 'package:sembast/src/record_snapshot_impl.dart';
 
+/// Record ref mixin.
 mixin RecordRefMixin<K, V> implements RecordRef<K, V> {
   @override
   StoreRef<K, V> store;

sembast/lib/src/record_snapshot_impl.dart

@@ -4,6 +4,7 @@ import 'package:sembast/src/api/sembast.dart';
 import 'package:sembast/src/record_impl.dart';
 import 'package:sembast/src/utils.dart';
 
+/// Record snapshot mixin.
 mixin RecordSnapshotMixin<K, V>
     implements RecordSnapshot<K, V>, SembastRecordValue<V> {
   /// Record revision.

sembast/lib/src/records_ref_impl.dart

@@ -5,6 +5,7 @@ import 'package:sembast/src/api/sembast.dart';
 import 'package:sembast/src/api/store_ref.dart';
 import 'package:sembast/src/database_client_impl.dart';
 
+/// Records ref mixin.
 mixin RecordsRefMixin<K, V> implements RecordsRef<K, V> {
   @override
   StoreRef<K, V> store;

sembast/lib/src/store_ref_impl.dart

@@ -23,6 +23,7 @@ class SembastStoreRef<K, V> with StoreRefMixin<K, V> {
   }
 }
 
+/// Store ref mixin.
 mixin StoreRefMixin<K, V> implements StoreRef<K, V> {
   @override
   String name;
@@ -231,6 +232,7 @@ extension SembastStoreRefExtension<K, V> on StoreRef<K, V> {
   }
 }
 
+/// Store factory mixin.
 mixin StoreFactoryMixin<K, V> implements StoreFactory<K, V> {
   @override
   StoreRef<K, V> store([String name]) {