/**
 * XML utility functions for extracting data from QTI XML strings
 */
/**
 * Escapes special characters in XML attribute values
 * @param value The value to escape
 * @returns The escaped value
 */
export declare function escapeXmlAttribute(value: string): string;
/**
 * Sanitizes a value for use in XML attributes by removing invalid characters
 * @param value The value to sanitize
 * @returns The sanitized value
 */
export declare function sanitizeXmlAttributeValue(value: string): string;
/**
 * Replaces attributes on the root element of an XML string
 * @param xml The XML string
 * @param elementName The expected root element name
 * @param identifier The identifier attribute value
 * @param title The title attribute value
 * @returns The modified XML string
 */
export declare function replaceRootAttributes(xml: string, elementName: string, identifier: string, title: string): string;
/**
 * Extracts the identifier attribute from a QTI XML element
 * @param xml The XML string to parse
 * @param elementName The name of the element (e.g., 'qti-assessment-item')
 * @returns The identifier value (throws if missing)
 */
export declare function extractIdentifier(xml: string, elementName: string): string;
/**
 * Extracts the title from a QTI XML element
 * @param xml The XML string to parse
 * @returns The title value or null if not found
 */
export declare function extractTitle(xml: string): string | null;
/**
 * Extracts the body content from a QTI stimulus XML
 * @param xml The XML string to parse
 * @returns The body content or null if not found
 */
export declare function extractQtiStimulusBodyContent(xml: string): string;
/**
 * Extracts all assessment item references from a QTI test XML
 * @param xml The XML string to parse
 * @returns Array of referenced item identifiers
 */
export declare function extractItemRefs(xml: string): string[];
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