diff --git a/src/common/input/WriteBuffer.test.ts b/src/common/input/WriteBuffer.test.ts
index ab9433da..d3dfebd0 100644
--- a/src/common/input/WriteBuffer.test.ts
+++ b/src/common/input/WriteBuffer.test.ts
@@ -6,6 +6,7 @@
 import { assert } from 'chai';
 import { WriteBuffer } from './WriteBuffer';
 
+// eslint-disable-next-line @typescript-eslint/naming-convention
 declare let Buffer: any;
 
 function toBytes(s: string): Uint8Array {
diff --git a/src/common/parser/EscapeSequenceParser.test.ts b/src/common/parser/EscapeSequenceParser.test.ts
index 2691836b..3b6910a6 100644
--- a/src/common/parser/EscapeSequenceParser.test.ts
+++ b/src/common/parser/EscapeSequenceParser.test.ts
@@ -58,6 +58,9 @@ const oscPutParser = new MockOscPutParser();
 
 // derived parser with access to internal states
 class TestEscapeSequenceParser extends EscapeSequenceParser {
+  public get transitions(): TransitionTable {
+    return this._transitions;
+  }
   public get osc(): string {
     return (this._oscParser as MockOscPutParser).data;
   }
@@ -192,13 +195,13 @@ describe('EscapeSequenceParser', function (): void {
   const parser = testParser;
   describe('Parser init and methods', function (): void {
     it('constructor', function (): void {
-      let p: EscapeSequenceParser = new EscapeSequenceParser();
-      chai.expect(p.TRANSITIONS).equal(VT500_TRANSITION_TABLE);
-      p = new EscapeSequenceParser(VT500_TRANSITION_TABLE);
-      chai.expect(p.TRANSITIONS).equal(VT500_TRANSITION_TABLE);
+      let p = new TestEscapeSequenceParser();
+      chai.expect(p.transitions).equal(VT500_TRANSITION_TABLE);
+      p = new TestEscapeSequenceParser(VT500_TRANSITION_TABLE);
+      chai.expect(p.transitions).equal(VT500_TRANSITION_TABLE);
       const tansitions: TransitionTable = new TransitionTable(10);
-      p = new EscapeSequenceParser(tansitions);
-      chai.expect(p.TRANSITIONS).equal(tansitions);
+      p = new TestEscapeSequenceParser(tansitions);
+      chai.expect(p.transitions).equal(tansitions);
     });
     it('inital states', function (): void {
       chai.expect(parser.initialState).equal(ParserState.GROUND);
diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts
index bc0b620e..d41b6452 100644
--- a/src/common/parser/EscapeSequenceParser.ts
+++ b/src/common/parser/EscapeSequenceParser.ts
@@ -253,7 +253,9 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
   protected _escHandlerFb: EscFallbackHandlerType;
   protected _errorHandlerFb: (state: IParsingState) => IParsingState;
 
-  constructor(readonly TRANSITIONS: TransitionTable = VT500_TRANSITION_TABLE) {
+  constructor(
+    protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE
+  ) {
     super();
 
     this.initialState = ParserState.GROUND;
@@ -471,7 +473,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
     const dcs = this._dcsParser;
     let collect = this._collect;
     const params = this._params;
-    const table: Uint8Array = this.TRANSITIONS.table;
+    const table: Uint8Array = this._transitions.table;
 
     // process input string
     for (let i = 0; i < length; ++i) {