interface CanonMethod {
    beforeChildren: (hasElementChildren?: boolean, hasMixedContent?: boolean) => string;
    afterChildren: (hasElementChildren?: boolean, hasMixedContent?: boolean) => string;
    betweenChildren: (prevIsElement?: boolean, nextIsElement?: boolean, hasMixedContent?: boolean) => string;
    afterElement: () => string;
    isCanonicalizationMethod?: string;
}
declare const CANONICALIZATION_METHODS: {
    default: string;
    "http://www.w3.org/TR/2001/REC-xml-c14n-20010315": string;
    "http://www.w3.org/2006/12/xml-c14n11": string;
    "http://www.w3.org/2001/10/xml-exc-c14n#": string;
};
declare const NODE_TYPES: {
    ELEMENT_NODE: number;
    TEXT_NODE: number;
};
interface ExcC14NOptions {
    inclusiveNamespacePrefixList?: string[];
    isStartingNode?: boolean;
}
interface WhitespaceInfo {
    hasMixedContent?: boolean;
    hasExistingLinebreaks?: boolean;
    originalContent?: Record<string, any>;
}
interface NodeWithWhitespace extends Node {
    _whitespace?: WhitespaceInfo;
    _originalText?: string;
}
declare class XMLCanonicalizer {
    private method;
    constructor(method?: CanonMethod);
    static fromMethod(methodUri: string): XMLCanonicalizer;
    static base64Elements: Set<string>;
    setMethod(method: CanonMethod): void;
    static escapeXml(text: string): string;
    static collectNamespaces(node: Node, visibleNamespaces?: Map<string, string>): Map<string, string>;
    static collectUsedNamespaces(node: Node, allVisibleNamespaces?: Map<string, string>, inclusivePrefixList?: string[]): Map<string, string>;
    static isBase64Element(node: Node): boolean;
    static analyzeWhitespace(node: Node): void;
    canonicalize(node: NodeWithWhitespace, visibleNamespaces?: Map<string, string>, options?: {
        isStartingNode: boolean;
    }): string;
    canonicalizeExclusive(node: NodeWithWhitespace, visibleNamespaces?: Map<string, string>, options?: ExcC14NOptions): string;
    static c14n(node: Node): string;
    static c14n11(node: Node): string;
    static c14n_exc(node: Node, inclusiveNamespacePrefixList?: string[]): string;
    static canonicalize(node: Node, methodUri: string, options?: any): string;
}
export { XMLCanonicalizer, CANONICALIZATION_METHODS, NODE_TYPES };