@CanIgnoreReturnValue
    public Builder setHmacHashType(HashType hmacHashType) {
      this.hmacHashType = hmacHashType;
      return this;
    }
Sets the type of the hash function used in the HMAC.
java_src/src/main/java/com/google/crypto/tink/streamingaead/AesCtrHmacStreamingParameters.java