export declare enum VerbosityLevel {
    /**
     * logs all errors
     */
    ERRORS,
    /**
     * logs all infos
     */
    INFOS,
    /**
     * logs all warnings
     */
    WARNINGS
}
export declare enum Sort {
    /**
     * if it should sort ascending
     */
    ASC = 0,
    /**
     * if it should sort descending
     */
    DESC = 1
}
export declare enum OCRLang {
    /**
     * AFR
     */
    AFR = "afr",
    /**
     * AMH
     */
    AMH = "amh",
    /**
     * ARA
     */
    ARA = "ara",
    /**
     * ASM
     */
    ASM = "asm",
    /**
     * AZE
     */
    AZE = "aze",
    /**
     * AZE_CYRL
     */
    AZE_CYRL = "aze_cyrl",
    /**
     * BEL
     */
    BEL = "bel",
    /**
     * BEN
     */
    BEN = "ben",
    /**
     * BOD
     */
    BOD = "bod",
    /**
     * BOS
     */
    BOS = "bos",
    /**
     * BUL
     */
    BUL = "bul",
    /**
     * CAT
     */
    CAT = "cat",
    /**
     * CEB
     */
    CEB = "ceb",
    /**
     * CES
     */
    CES = "ces",
    /**
     * CHI_SIM
     */
    CHI_SIM = "chi_sim",
    /**
     * CHI_TRA
     */
    CHI_TRA = "chi_tra",
    /**
     * CHR
     */
    CHR = "chr",
    /**
     * CYM
     */
    CYM = "cym",
    /**
     * DAN
     */
    DAN = "dan",
    /**
     * DEU
     */
    DEU = "deu",
    /**
     * DZO
     */
    DZO = "dzo",
    /**
     * ELL
     */
    ELL = "ell",
    /**
     * ENG
     */
    ENG = "eng",
    /**
     * ENM
     */
    ENM = "enm",
    /**
     * EPO
     */
    EPO = "epo",
    /**
     * EST
     */
    EST = "est",
    /**
     * EUS
     */
    EUS = "eus",
    /**
     * FAS
     */
    FAS = "fas",
    /**
     * FIN
     */
    FIN = "fin",
    /**
     * FRA
     */
    FRA = "fra",
    /**
     * FRK
     */
    FRK = "frk",
    /**
     * FRM
     */
    FRM = "frm",
    /**
     * GLE
     */
    GLE = "gle",
    /**
     * GLG
     */
    GLG = "glg",
    /**
     * GRC
     */
    GRC = "grc",
    /**
     * GUJ
     */
    GUJ = "guj",
    /**
     * HAT
     */
    HAT = "hat",
    /**
     * HEB
     */
    HEB = "heb",
    /**
     * HIN
     */
    HIN = "hin",
    /**
     * HRV
     */
    HRV = "hrv",
    /**
     * HUN
     */
    HUN = "hun",
    /**
     * IKU
     */
    IKU = "iku",
    /**
     * IND
     */
    IND = "ind",
    /**
     * ISL
     */
    ISL = "isl",
    /**
     * ITA
     */
    ITA = "ita",
    /**
     * ITA_OLD
     */
    ITA_OLD = "ita_old",
    /**
     * JAV
     */
    JAV = "jav",
    /**
     * JPN
     */
    JPN = "jpn",
    /**
     * KAN
     */
    KAN = "kan",
    /**
     * KAT
     */
    KAT = "kat",
    /**
     * KAT_OLD
     */
    KAT_OLD = "kat_old",
    /**
     * KAZ
     */
    KAZ = "kaz",
    /**
     * KHM
     */
    KHM = "khm",
    /**
     * KIR
     */
    KIR = "kir",
    /**
     * KOR
     */
    KOR = "kor",
    /**
     * KUR
     */
    KUR = "kur",
    /**
     * LAO
     */
    LAO = "lao",
    /**
     * LAT
     */
    LAT = "lat",
    /**
     * LAV
     */
    LAV = "lav",
    /**
     * LIT
     */
    LIT = "lit",
    /**
     * MAL
     */
    MAL = "mal",
    /**
     * MAR
     */
    MAR = "mar",
    /**
     * MKD
     */
    MKD = "mkd",
    /**
     * MLT
     */
    MLT = "mlt",
    /**
     * MSA
     */
    MSA = "msa",
    /**
     * MYA
     */
    MYA = "mya",
    /**
     * NEP
     */
    NEP = "nep",
    /**
     * NLD
     */
    NLD = "nld",
    /**
     * NOR
     */
    NOR = "nor",
    /**
     * ORI
     */
    ORI = "ori",
    /**
     * PAN
     */
    PAN = "pan",
    /**
     * POL
     */
    POL = "pol",
    /**
     * POR
     */
    POR = "por",
    /**
     * PUS
     */
    PUS = "pus",
    /**
     * RON
     */
    RON = "ron",
    /**
     * RUS
     */
    RUS = "rus",
    /**
     * SAN
     */
    SAN = "san",
    /**
     * SIN
     */
    SIN = "sin",
    /**
     * SLK
     */
    SLK = "slk",
    /**
     * SLV
     */
    SLV = "slv",
    /**
     * SPA
     */
    SPA = "spa",
    /**
     * SPA_OLD
     */
    SPA_OLD = "spa_old",
    /**
     * SQI
     */
    SQI = "sqi",
    /**
     * SRP
     */
    SRP = "srp",
    /**
     * SRP_LATN
     */
    SRP_LATN = "srp_latn",
    /**
     * SWA
     */
    SWA = "swa",
    /**
     * SWE
     */
    SWE = "swe",
    /**
     * SYR
     */
    SYR = "syr",
    /**
     * TAM
     */
    TAM = "tam",
    /**
     * TEL
     */
    TEL = "tel",
    /**
     * TGK
     */
    TGK = "tgk",
    /**
     * TGL
     */
    TGL = "tgl",
    /**
     * THA
     */
    THA = "tha",
    /**
     * TIR
     */
    TIR = "tir",
    /**
     * TUR
     */
    TUR = "tur",
    /**
     * UIG
     */
    UIG = "uig",
    /**
     * UKR
     */
    UKR = "ukr",
    /**
     * URD
     */
    URD = "urd",
    /**
     * UZB
     */
    UZB = "uzb",
    /**
     * UZB_CYRL
     */
    UZB_CYRL = "uzb_cyrl",
    /**
     * VIE
     */
    VIE = "vie",
    /**
     * YID
     */
    YID = "yid"
}
export interface Permissions {
    /**
     * allow to assemble
     *
     * @readonly
     * @type {boolean}
     */
    readonly assemble: boolean;
    /**
     * allow to copy the content
     *
     * @readonly
     * @type {boolean}
     */
    readonly copy: boolean;
    /**
     * allow to fill interactive forms
     *
     * @readonly
     * @type {boolean}
     */
    readonly fillInteractiveForms: boolean;
    /**
     * allow to modify annotations
     *
     * @readonly
     * @type {boolean}
     */
    readonly modifyAnnotations: boolean;
    /**
     * allow to modify contents
     *
     * @readonly
     * @type {boolean}
     */
    readonly modifyContents: boolean;
    /**
     * allow to print
     *
     * @readonly
     * @type {boolean}
     */
    readonly print: boolean;
    /**
     * allow to print in highquality
     *
     * @readonly
     * @type {boolean}
     */
    readonly printHQ: boolean;
    /**
     * allow to copy the content for accessibility
     *
     * @readonly
     * @type {boolean}
     */
    readonly copyForAccessibility: boolean;
}
export interface Metadata {
    /**
     * get the raw metadata
     *
     * @returns {string} the raw metadata
     */
    getRaw(): string;
    /**
     * get data by name
     *
     * @returns {string} the data
     */
    get(name: string): string | string[];
    /**
     * get all data
     *
     * @returns {{ [key: string]: string | string[] | undefined }} all data
     */
    getAll(): {
        [key: string]: string | string[] | undefined;
    };
    /**
     * check whether data with the name are available
     *
     * @returns {boolean} if available then true is returned
     */
    has(name: string): boolean;
}
export interface MetadataInfo {
    /**
     * the meta information of the document
     */
    info: Info;
    /**
     * the metadata of the document
     */
    metadata: Metadata;
}
export interface Name {
    /**
     * the name
     *
     * @type {string}
     */
    readonly name: string;
}
export interface Info {
    /**
     * the title
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Title?: string;
    /**
     * the author
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Author?: string;
    /**
     * the subject
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Subject?: string;
    /**
     * the keywords
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Keywords?: string;
    /**
     * the creator
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Creator?: string;
    /**
     * the producer
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly Producer?: string;
    /**
     * the creation date
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly CreationDate?: string;
    /**
     * the modification date
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly ModDate?: string;
    /**
     * the trapped
     *
     * @readonly
     * @type {Name | undefined}
     */
    readonly Trapped?: Name;
    /**
     * the format version
     *
     * @readonly
     * @type {string | undefined}
     */
    readonly PDFFormatVersion?: string;
    /**
     * if it is linearized
     *
     * @readonly
     * @type {boolean | undefined}
     */
    readonly IsLinearized?: boolean;
    /**
     * if acro form is present
     *
     * @readonly
     * @type {boolean | undefined}
     */
    readonly IsAcroFormPresent?: boolean;
    /**
     * if xfa form is present
     *
     * @readonly
     * @type {boolean | undefined}
     */
    readonly IsXFAPresent?: boolean;
    /**
     * if collection is present
     *
     * @readonly
     * @type {boolean | undefined}
     */
    readonly IsCollectionPresent?: boolean;
    /**
     * if signatures are present
     *
     * @readonly
     * @type {boolean | undefined}
     */
    readonly IsSignaturesPresent?: boolean;
    readonly [key: string]: string | number | boolean | Name | undefined;
}
/**
 * it is an outline (bookmark) of the pdf document
 */
export interface Outline {
    /**
     * the title
     *
     * @readonly
     * @type {string}
     */
    readonly title: string;
    /**
     * the childrens
     *
     * @readonly
     * @type {ReadonlyArray<Outline> | undefined}
     */
    readonly childs?: readonly Outline[];
}
/**
 * the outline which includes a url
 */
export declare class UrlOutline implements Outline {
    readonly title: string;
    readonly url: string;
    readonly absolute: boolean;
    readonly childs?: readonly Outline[] | undefined;
    /**
     * @param {string} title - the title
     * @param {string} url - the url to which the outline points
     * @param {boolean} absolute - if the url is absolute
     * @param {Outline[]} [childs] - the childrens
     */
    constructor(title: string, url: string, absolute: boolean, childs?: readonly Outline[] | undefined);
}
/**
 * the outline which includes a page number
 */
export declare class PageNumberOutline implements Outline {
    readonly title: string;
    readonly page: number;
    readonly childs?: readonly Outline[] | undefined;
    /**
     * @param {string} title - the title
     * @param {number} page - the page number to which the outline points
     * @param {Outline[]} [childs] - the childrens
     */
    constructor(title: string, page: number, childs?: readonly Outline[] | undefined);
}
/**
 * the outline which includes a reference to another pdf
 */
export declare class PdfReferenceOutline implements Outline {
    readonly title: string;
    readonly url: string;
    readonly page?: number | undefined;
    readonly childs?: readonly Outline[] | undefined;
    /**
     * @param {string} title - the title
     * @param {string} url - the url to which the outline points
     * @param {number} page - the remote page number to which the outline points
     * @param {Outline[]} [childs] - the childrens
     */
    constructor(title: string, url: string, page?: number | undefined, childs?: readonly Outline[] | undefined);
}