diff --git a/src/@types/index.ts b/src/@types/index.ts
index cde967af..20b4076d 100644
--- a/src/@types/index.ts
+++ b/src/@types/index.ts
@@ -43,8 +43,8 @@ export type RTLCSSPlugin = {
     name: string;
     priority: number;
     directives: {
-        control: Object,
-        value: Array<Object>
+        control: object,
+        value: Array<object>
     };
 }
 
diff --git a/src/data/store.ts b/src/data/store.ts
index 0d51b2e9..b20d3157 100644
--- a/src/data/store.ts
+++ b/src/data/store.ts
@@ -106,7 +106,7 @@ const isNotAcceptedStringMap = (stringMap: PluginStringMap[]): boolean => {
 const isAcceptedProcessDeclarationPlugins = (plugins: DeclarationPlugin[]): boolean =>
     Array.isArray(plugins)
     && plugins.every((plugin: DeclarationPlugin) =>
-            typeof plugin.name == STRING_TYPE
+        typeof plugin.name == STRING_TYPE
             && typeof plugin.priority == NUMBER_TYPE
             && Array.isArray(plugin.processors)
             && plugin.processors.every((processor: DeclarationPluginProcessor) =>
diff --git a/tests/process-declaration-plugins.test.ts b/tests/process-declaration-plugins.test.ts
index a92c4892..8016ec9e 100644
--- a/tests/process-declaration-plugins.test.ts
+++ b/tests/process-declaration-plugins.test.ts
@@ -1,10 +1,10 @@
 import postcss from 'postcss';
 import postcssRTLCSS from '../src';
-import { PluginOptions, Mode } from '../src/@types';
+import {PluginOptions} from '../src/@types';
 import {
-  readCSSFile,
-  runTests,
-  createSnapshotFileName
+    readCSSFile,
+    runTests,
+    createSnapshotFileName
 } from './utils';
 import 'jest-specific-snapshot';
 
@@ -12,41 +12,41 @@ const BASE_NAME = 'process-declaration-plugins';
 
 runTests({}, (pluginOptions: PluginOptions): void => {
 
-  describe(`[[Mode: ${pluginOptions.mode}]]`, (): void => {
+    describe(`[[Mode: ${pluginOptions.mode}]]`, (): void => {
 
-    let input = '';
-  
-    beforeEach(async (): Promise<void> => {
-      input = input || await readCSSFile(`input-${BASE_NAME}.scss`);
-    });
-    
-    it('flip background by default', (): void => {
-      const output = postcss([postcssRTLCSS(pluginOptions)]).process(input);
-      expect(output.css).toMatchSpecificSnapshot(
-          createSnapshotFileName(BASE_NAME,'flip', pluginOptions.mode)
-      );
-      expect(output.warnings()).toHaveLength(0);
-    });
+        let input = '';
+
+        beforeEach(async (): Promise<void> => {
+            input = input || await readCSSFile(`input-${BASE_NAME}.scss`);
+        });
+
+        it('flip background by default', (): void => {
+            const output = postcss([postcssRTLCSS(pluginOptions)]).process(input);
+            expect(output.css).toMatchSpecificSnapshot(
+                createSnapshotFileName(BASE_NAME, 'flip', pluginOptions.mode)
+            );
+            expect(output.warnings()).toHaveLength(0);
+        });
+
+        it('use {processDeclarationPlugins} to avoid flipping background', (): void => {
+            const options: PluginOptions = {
+                ...pluginOptions,
+                processDeclarationPlugins: [{
+                    name: 'avoid-flipping-background',
+                    priority: 99, // above the core RTLCSS plugin which has a priority value of 100
+                    processors: [{
+                        expr: /(background|object)(-position(-x)?|-image)?$/i,
+                        action: (prop: string, value: string) => ({prop, value})
+                    }]
+                }]
+            };
+            const output = postcss([postcssRTLCSS(options)]).process(input);
+            expect(output.css).toMatchSpecificSnapshot(
+                createSnapshotFileName(BASE_NAME, 'noflip', pluginOptions.mode)
+            );
+            expect(output.warnings()).toHaveLength(0);
+        });
 
-    it('use {processDeclarationPlugins} to avoid flipping background', (): void => {
-      const options: PluginOptions = {
-        ...pluginOptions,
-        processDeclarationPlugins: [{
-          name: 'avoid-flipping-background',
-          priority: 99, // above the core RTLCSS plugin which has a priority value of 100
-          processors: [{
-            expr: /(background|object)(-position(-x)?|-image)?$/i,
-            action: (prop: string, value: string) => ({prop, value})
-          }]
-        }]
-      };
-      const output = postcss([postcssRTLCSS(options)]).process(input);
-      expect(output.css).toMatchSpecificSnapshot(
-          createSnapshotFileName(BASE_NAME,'noflip', pluginOptions.mode)
-      );
-      expect(output.warnings()).toHaveLength(0);
     });
-  
-  });
 
 });
\ No newline at end of file