class BitflyerChildOrderAcceptance {
  @JsonProperty("child_order_acceptance_id")
  private String childOrderAcceptanceId;

  public String getChildOrderAcceptanceId() {
    return childOrderAcceptanceId;
  }

  public void setChildOrderAcceptanceId(String parentOrderAcceptanceId) {
    this.childOrderAcceptanceId = parentOrderAcceptanceId;
  }

  @Override
  public String toString() {<FILL_FUNCTION_BODY>}
}

    return "BitflyerChildOrderAcceptance{"
        + "childOrderAcceptanceId='"
        + childOrderAcceptanceId
        + '\''
        + '}';
  
<no_super_class>