public boolean equals(final Object o) {
      if (o == this) {
          return true;
      }
      if (!(o instanceof MutableStructure)) {
          return false;
      }
      final MutableStructure other = (MutableStructure) o;
      if (!other.canEqual((Object) this)) {
          return false;
      }
      return true;
  }

  protected boolean canEqual(final Object other) {return other instanceof MutableStructure;}

  public int hashCode() {
      int result = 1;
      return result;
  }

    @Test
    void mutableStructureEquality() {
        MutableStructure m1 = new MutableStructure();
        m1.add("key1", "val1");
        MutableStructure m2 = new MutableStructure();
        m1.add("key2", "val2");
        assertEquals(m1, m2);
    }

    @Test
    void mutableCtxEquality() {
        final Map<String, Value> attributes = new HashMap<>();
        attributes.put("key1", new Value("val1"));
        final MutableContext ctx = new MutableContext(attributes);

        final Map<String, Value> attributes2 = new HashMap<>();
        final MutableContext ctx2 = new MutableContext(attributes2);

        assertThat(ctx).isEqualTo(ctx2);
    }