/**
 * The revision of the data dictionary spec, eg. "2014a".
 */
export declare const revision: string;
/**
 * Maps DICOM element keywords to their tag "(gggg,eeee)"
 */
export declare const tags: KeywordsMap;
/**
 * Maps DICOM tags to DICOM element objects.
 */
export declare const elements: ElementsMap;
/**
 * Get a DICOM Data Element either by tag or keyword.
 *
 * Tags in the following forms are accepted:
 *
 * (gggg,eeee)
 * gggg,eeee
 * (ggggeeee)
 * ggggeeee
 *
 * @param key {string}
 *
 * @returns the DICOM Data Element if it exists; undefined otherwise
 */
export declare const get_element: (key: string) => DicomDataElement | undefined;
/**
 * "A Data Element Tag is represented as "(gggg,eeee)", where gggg equates to the Group Number and
 * eeee equates to the Element Number within that Group. Data Element Tags are represented in
 * hexadecimal notation as specified for each named Data Element in this Standard."
 */
export declare type DicomTag = string;
/**
 * Maps a DICOM data element's keyword to its tag "(gggg,eeee)".
 */
export interface KeywordsMap {
    [key: string]: DicomTag;
}
/**
 * Maps DICOM tags "(gggg,eeee)" to full DICOM data elements.
 */
export interface ElementsMap {
    [key: string]: DicomDataElement;
}
/**
 * Represents a single DICOM Data Element as defined in DICOM PS3.6.
 */
export interface DicomDataElement {
    /**
     * See the Tag type for details.
     */
    tag: DicomTag;
    /**
     * Full name of the DICOM element.
     */
    name: string;
    /**
     * The element name with all whitespace removed.
     */
    keyword: string;
    /**
     * Value Representation.
     */
    vr: string;
    /**
     * Value Multiplicity.
     */
    vm: string;
    /**
     * Miscellaneous notes about the element.
     */
    note: string;
    /**
     * True if the element is considered retired; see the note for
     * the year that the element was retired (if applicable).
     */
    isRetired: boolean;
}