import { NamedNode } from '@rdfjs/types';
/** Namespace URI of the RDFA vocabulary. */
export declare const _RDFA = "http://www.w3.org/ns/rdfa#";
export declare const RDFA: {
    me: string;
    DocumentError: string;
    Error: string;
    Info: string;
    PGClass: string;
    Pattern: string;
    PrefixMapping: string;
    PrefixOrTermMapping: string;
    PrefixRedefinition: string;
    TermMapping: string;
    UnresolvedCURIE: string;
    UnresolvedTerm: string;
    VocabReferenceError: string;
    Warning: string;
    context: string;
    copy: string;
    prefix: string;
    term: string;
    uri: string;
    usesVocabulary: string;
    vocabulary: string;
};
/** Namespace URI of the rdfa vocabulary. */
export declare const _rdfa: NamedNode;
export declare const rdfa: {
    me: NamedNode;
    DocumentError: NamedNode;
    Error: NamedNode;
    Info: NamedNode;
    PGClass: NamedNode;
    Pattern: NamedNode;
    PrefixMapping: NamedNode;
    PrefixOrTermMapping: NamedNode;
    PrefixRedefinition: NamedNode;
    TermMapping: NamedNode;
    UnresolvedCURIE: NamedNode;
    UnresolvedTerm: NamedNode;
    VocabReferenceError: NamedNode;
    Warning: NamedNode;
    context: NamedNode;
    copy: NamedNode;
    prefix: NamedNode;
    term: NamedNode;
    uri: NamedNode;
    usesVocabulary: NamedNode;
    vocabulary: NamedNode;
};