/**
 * The specificity of a breadcrumb, used for sorting.
 */
export type BreadcrumbSpecificity = {
    idCounter: number;
    commonCounter: number;
};
/**
 * Options for the higher-level comparing breadcrumbs function.
 */
export type InternalModifierComparatorOptions = {
    range?: string;
};
/**
 * Options for comparing breadcrumbs.
 */
export type ModifierComparatorOptions = {
    semver?: string;
};
/**
 * A valid item of a given breadcrumb.
 */
export type ModifierBreadcrumbItem = {
    comparator: (opts: ModifierComparatorOptions) => boolean;
    name?: string;
    value: string;
    type: string;
    importer: boolean;
    prev: ModifierBreadcrumbItem | undefined;
    next: ModifierBreadcrumbItem | undefined;
};
/**
 * A breadcrumb is a linked list of items, where
 * each item has a value and a type.
 */
export interface ModifierBreadcrumb extends Iterable<ModifierBreadcrumbItem> {
    clear(): void;
    comment: string | undefined;
    first: ModifierBreadcrumbItem;
    last: ModifierBreadcrumbItem;
    single: boolean;
    specificity: BreadcrumbSpecificity;
    interactive: () => ModifierInteractiveBreadcrumb;
}
/**
 * An interactive breadcrumb that holds state on what is the current item.
 */
export type ModifierInteractiveBreadcrumb = {
    current: ModifierBreadcrumbItem | undefined;
    done: boolean;
    next: () => ModifierInteractiveBreadcrumb;
};