public VerificationContextBuilder setDocumentHash(DataHash documentHash, Long level) {
        this.documentHash = documentHash;
        this.inputHashLevel = level;
        return this;
    }
public VerificationContextBuilder setDocumentHash ( DataHash documentHash , Long level ) { this . documentHash = documentHash ; this . inputHashLevel = level ; return this ; }
Used to set the hash and local aggregation tree height.
If present then this hash must equal to signature input hash.

@param documentHash document hash
@return instance of {@link VerificationContextBuilder}