import java.util.NoSuchElementException;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * An {@link Iterator} that returns a single value.
 *
 * @author koichik
 * @param <E> the element type
 */
public class SingleValueIterator<E> implements Iterator<E> {

    /** The only value returned by the iterator. */
    protected final E value;

    /** {@literal true} if the iterator has more elements. */

	scopes               []func(*DB) *DB
	Result               *result
}

type join struct {
	Name       string
	Alias      string
	Conds      []interface{}
	On         *clause.Where
	Selects    []string
	Omits      []string
	Expression clause.Expression
	JoinType   clause.JoinType
}

// StatementModifier statement modifier interface
type StatementModifier interface {
	ModifyStatement(*Statement)
}

    protected static final byte[] NTLMSSP_VERSION = { 6, 1, 0, 0, 0, 0, 0, 15 };

    /**
     * NTLMSSP Type 1 message identifier.
     */
    protected static final int NTLMSSP_TYPE1 = 0x1;

    /**
     * NTLMSSP Type 2 message identifier.
     */
    protected static final int NTLMSSP_TYPE2 = 0x2;

    /**
     * NTLMSSP Type 3 message identifier.
     */
    protected static final int NTLMSSP_TYPE3 = 0x3;

	IndexName(table, column string) string
	UniqueName(table, column string) string
}

// Replacer replacer interface like strings.Replacer
type Replacer interface {
	Replace(name string) string
}

var _ Namer = (*NamingStrategy)(nil)

// NamingStrategy tables, columns naming strategy
type NamingStrategy struct {
	TablePrefix         string
	SingularTable       bool
	NameReplacer        Replacer
	NoLowerCase         bool

)

// Record - is a CSV record.
type Record struct {
	columnNames  []string
	csvRecord    []string
	nameIndexMap map[string]int64
}

// Get - gets the value for a column name. CSV fields do not have any
// defined type (other than the default string). So this function
// always returns fields using sql.FromBytes so that the type
// specified/implied by the query can be used, or can be automatically

     * @return The query processor.
     */
    public static QueryProcessor getQueryProcessor() {
        return getComponent(QUERY_PROCESSOR);
    }

    /**
     * Gets the label type helper component.
     * @return The label type helper.
     */
    public static LabelTypeHelper getLabelTypeHelper() {
        return getComponent(LABEL_TYPE_HELPER);
    }

    /**
     * Gets the search log helper component.

# proto-message: ActionSpecs

# Python rules should not have more than one source file.
action_spec {
  action: CHECK_FILE_COUNT
  file_count_params {
    rule_selector {
      rule_kind_regex: "^.*py(type)?(_strict)?_(binary|library|test).*$"
      generator_function_regex: "^(?!boq_header)$"
    }
    max_source_count: 1
  }

	fileList     []fileListEntry
}

// A ReadCloser is a [Reader] that must be closed when no longer needed.
type ReadCloser struct {
	f *os.File
	Reader
}

// A File is a single file in a ZIP archive.
// The file information is in the embedded [FileHeader].
// The file content can be accessed by calling [File.Open].
type File struct {
	FileHeader
	zip          *Reader
	zipr         io.ReaderAt

	}

	// Initialize erasure metadata.
	for index := range partsMetadata {
		partsMetadata[index] = fi
	}

	// Guess content-type from the extension if possible.
	if userDefined["content-type"] == "" {
		userDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
	}

	// if storageClass is standard no need to save it as part of metadata.

		VersionID string
		ModTime   time.Time
		Signature string
		Type      uint8
		Flags     uint8
		EcM, EcN  uint8 // Note that these will be 0/0 for non-v2 objects and older xl.meta
	}{
		VersionID: hex.EncodeToString(z.VersionID[:]),
		ModTime:   time.Unix(0, z.ModTime),
		Signature: hex.EncodeToString(z.Signature[:]),
		Type:      z.Type,
		Flags:     z.Flags,
		EcM:       z.EcM,
		EcN:       z.EcN,
	}