export declare const CONTENT_CONTROL_MC_NAMESPACE = "http://schemas.openxmlformats.org/markup-compatibility/2006";
export declare const CONTENT_CONTROL_RELATIONSHIP_NAMESPACES: Set<string>;
export declare const CONTENT_CONTROL_WORD_2012_NAMESPACE = "http://schemas.microsoft.com/office/word/2012/wordml";
export declare function isContentControlSemanticNamespace(namespace: string): boolean;
export declare function isDocxWordElement(element: Element): boolean;
export declare function wordDirectChildren(element: Element, localName: string): Element[];
export declare function hasOnlyPassiveContentControlAttributes(element: Element): boolean;
export declare function hasUnsupportedContentControlSemanticChild(element: Element): boolean;
export declare function hasContentControlRelationshipReference(root: Element): boolean;
export declare function createWordElement(document: Document, context: Element, localName: string): Element;
export declare function createNamespacedElement(document: Document, context: Element, namespace: string, preferredPrefix: string, localName: string): Element;
export declare function setWordContentControlAttribute(element: Element, context: Element, localName: string, value: string): void;
export declare function setNamespacedContentControlAttribute(element: Element, context: Element, namespace: string, preferredPrefix: string, localName: string, value: string): void;
export declare function ensureIgnorableContentControlNamespace(root: Element, namespace: string, preferredPrefix: string): void;