export declare const DESIGN_TEXT_KEYS: {
    content: true;
    fontFamily: true;
    fontSize: true;
    fontWeight: true;
    italic: true;
    color: true;
    align: true;
    direction: true;
    verticalAlign: true;
    lineHeight: true;
    letterSpacing: true;
    overflow: true;
    hyphenate: true;
    textTransform: true;
    box: true;
    dropCap: true;
    paragraphIndent: true;
    inlineMarks: true;
    stroke: true;
    dotted: true;
    repeat: true;
    writingMode: true;
    over: true;
    reserve: true;
    placement: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const DESIGN_RULE_KEYS: {
    direction: true;
    color: true;
    thickness: true;
    reserve: true;
    placement: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const DESIGN_BOX_KEYS: {
    style: true;
    reserve: true;
    placement: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const DESIGN_IMAGE_KEYS: {
    resourceId: true;
    decorative: true;
    fit: true;
    focus: true;
    reserve: true;
    placement: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const DESIGN_PATH_KEYS: {
    d: true;
    viewBox: true;
    fill: true;
    stroke: true;
    width: true;
    dash: true;
    preserveAspectRatio: true;
    reserve: true;
    placement: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const DESIGN_CONNECTOR_KEYS: {
    from: true;
    to: true;
    routing: true;
    radius: true;
    trunk: true;
    color: true;
    opacity: true;
    width: true;
    dash: true;
    startCap: true;
    endCap: true;
    capSize: true;
    over: true;
    kind: true;
    id: true;
    parity: true;
    pages: true;
    when: true;
    unless: true;
    pin: true;
};
export declare const CONNECTOR_END_KEYS: {
    to: true;
    side: true;
    at: true;
    gap: true;
    anchor: true;
};
export declare const DECORATION_REMOVAL_KEYS: {
    id: true;
    remove: true;
};
export declare const TEMPLATE_DECORATION_KEYS: {
    elements: true;
};
export declare const PLACEMENT_KEYS: {
    anchor: true;
    offset: true;
    size: true;
};
export declare const ANCHOR_KEYS: {
    to: true;
    edge: true;
    at: true;
};
export declare const OFFSET_KEYS: {
    x: true;
    y: true;
};
export declare const SIZE_KEYS: {
    width: true;
    height: true;
    maxWidth: true;
};
export declare const SIZE_TO_KEYS: {
    to: true;
    edge: true;
};
/** Every top-level key of a config. */
export declare const CONFIG_KEYS: {
    page: true;
    layout: true;
    bodyText: true;
    headings: true;
    tableStyle: true;
    tableStyles: true;
    captionStyle: true;
    diagramStyle: true;
    scoreStyle: true;
    scoreStyles: true;
    videoStyle: true;
    paragraphStyles: true;
    calloutStyles: true;
    chipStyles: true;
    markStyles: true;
    parts: true;
    headingStyles: true;
    toc: true;
    index: true;
    unorderedLists: true;
    orderedLists: true;
    math: true;
    footnotes: true;
    crossRefs: true;
    citations: true;
    cjk: true;
    lineNumbers: true;
    codeStyle: true;
    header: true;
    footer: true;
    locale: true;
    direction: true;
    numerals: true;
    debug: true;
    htmlViewer: true;
    canvasViewer: true;
    folio: true;
    comics: true;
    pageTemplates: true;
    labelStyles: true;
    frameLooks: true;
    composedViewerLeaf: true;
    pdfGeneration: true;
    print: true;
    contrast: true;
    checks: true;
    colorPalette: true;
    customFonts: true;
    resourceTypes: true;
    exerciseStyles: true;
    exercises: true;
};
/** How a warning's path is written: `/a/0/b` (a JSON pointer, as the page
 *  templates' checks write it) or `a[0].b` (as the other config checks). */
export interface KeyPath {
    key(path: string, key: string): string;
    index(path: string, i: number): string;
}
/** A JSON pointer (RFC 6901). */
export declare const POINTER_PATH: KeyPath;
export declare const DOTTED_PATH: KeyPath;
/** An unknown key, as the config checks report it. */
export interface UnknownKey {
    path: string;
    value: string;
    suggestion?: string;
}
/** The keys of `node` (a plain object) that `known` does not list. A key
 *  set to `undefined` sets nothing either way. */
export declare function unknownKeysOf(node: unknown, known: Record<string, true>, path: string, at: KeyPath, out: UnknownKey[]): void;
/** The keys of a placement (`anchor`, `offset`, `size`) of a design
 *  element, a frame or a group, and of the objects inside it: an anchor,
 *  an offset, a size and a `{ to, edge }` size (a length `{ value, unit }`
 *  is not checked here). */
export declare function placementUnknownKeys(placement: unknown, path: string, at: KeyPath, out: UnknownKey[]): void;
/** The keys of one design element (#1122) by its `kind`, its placement, a
 *  connector's ends and a text's or box's nested looks. An element of an
 *  unknown kind is not checked (it draws nothing); an inherited element
 *  taken out (`{ id, remove: true }`, #975) has only those two keys. */
export declare function designElementUnknownKeys(el: unknown, path: string, at: KeyPath, out: UnknownKey[]): void;
//# sourceMappingURL=elementKeys.d.ts.map