export type SubjectPathEquiv = string[] | string | SubjectPath;
export default class SubjectPath {
    elements: string[];
    constructor(subject_path: SubjectPathEquiv);
    fromString(path: string): void;
    fromArray(path: string[]): void;
    fromPath(path: SubjectPath): void;
    clone(): SubjectPath;
    tail(): SubjectPath;
    head(): string | undefined;
}