@Override
  public boolean equals(final Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    final PreparedCertificate that = (PreparedCertificate) o;
    return Objects.equals(proposalPayload, that.proposalPayload)
        && Objects.equals(preparePayloads, that.preparePayloads);
  }
Gets prepare payloads.

@return the prepare payloads
consensus/ibft/src/main/java/org/hyperledger/besu/consensus/ibft/payload/PreparedCertificate.java