/**
 * Defensive XML access helpers for OOXML-style DOMs.
 *
 * DOCX parts in the wild may mix namespace-bound attributes/elements with
 * prefixed or bare names. These helpers centralize the fallback order without
 * changing each caller's null handling.
 */
export type AttributeSafeOptions = {
    /**
     * Treat empty strings as missing and continue through fallbacks.
     * Leave false for the canonical DOM getAttributeNS/getAttribute semantics.
     */
    emptyIsMissing?: boolean;
    /** Include a final bare local-name lookup after namespace/prefix fallbacks. */
    bareFallback?: boolean;
};
/**
 * Read an attribute by namespace, then optional prefix, then bare local name.
 */
export declare function getAttributeSafe(el: Element, ns: string, localName: string, prefix?: string, options?: AttributeSafeOptions): string | null;
/**
 * Return the first descendant element matching namespace/local-name, or null.
 */
export declare function getFirstChild(parent: Element | Document, ns: string, localName: string): Element | null;
/**
 * Return the first descendant element matching tag name, or null.
 */
export declare function findChild(parent: Element | Document, tagName: string): Element | null;
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