import type { FilledContentRelationshipField } from "../types/value/contentRelationship";
import type { PrismicDocument } from "../types/value/document";
import type { FilledLinkToWebField, LinkField } from "../types/value/link";
import type { FilledLinkToMediaField } from "../types/value/linkToMedia";
import type { AsLinkReturnType, LinkResolverFunction } from "./asLink";
type AsLinkAttrsConfigRelArgs<LinkResolverFunctionReturnType = ReturnType<LinkResolverFunction>, Field extends LinkField | PrismicDocument | null | undefined = LinkField | PrismicDocument | null | undefined> = {
    href: NonNullable<AsLinkReturnType<LinkResolverFunctionReturnType, Field>> | undefined;
    isExternal: boolean;
    target?: string;
};
export type AsLinkAttrsConfig<LinkResolverFunctionReturnType = ReturnType<LinkResolverFunction>, Field extends LinkField | PrismicDocument | null | undefined = LinkField | PrismicDocument | null | undefined> = {
    linkResolver?: LinkResolverFunction<LinkResolverFunctionReturnType>;
    rel?: (args: AsLinkAttrsConfigRelArgs<LinkResolverFunctionReturnType, Field>) => string | undefined | void;
};
/**
 * The return type of `asLinkAttrs()`.
 */
type AsLinkAttrsReturnType<LinkResolverFunctionReturnType = ReturnType<LinkResolverFunction>, Field extends LinkField | PrismicDocument | null | undefined = LinkField | PrismicDocument | null | undefined> = Field extends FilledLinkToWebField | FilledLinkToMediaField | FilledContentRelationshipField | PrismicDocument ? {
    href: NonNullable<AsLinkReturnType<LinkResolverFunctionReturnType, Field>> | undefined;
    target?: string;
    rel?: string;
} : {
    href?: undefined;
    target?: undefined;
    rel?: undefined;
};
/**
 * Resolves any type of link field or Prismic document to a set of link
 * attributes. The attributes are designed to be passed to link HTML elements,
 * like `<a>`.
 *
 * If a resolved URL is external (i.e. starts with a protocol like `https://`),
 * `rel` is returned as `"noreferrer"`.
 *
 * @typeParam LinkResolverFunctionReturnType - link resolver function return
 *   type
 * @typeParam Field - Link field or Prismic document to resolve to link
 *   attributes
 *
 * @param linkFieldOrDocument - Any kind of link field or a document to resolve
 * @param config - Configuration that determines the output of `asLinkAttrs()`
 *
 * @returns Resolved set of link attributes or, if the provided link field or
 *   document is empty, and empty object
 *
 * @see Prismic link resolver documentation: {@link https://prismic.io/docs/route-resolver#link-resolver}
 * @see Prismic API `routes` options documentation: {@link https://prismic.io/docs/route-resolver}
 */
export declare const asLinkAttrs: <LinkResolverFunctionReturnType = string | null | undefined, Field extends LinkField | PrismicDocument | null | undefined = LinkField | PrismicDocument<Record<string, any>, string, string> | null | undefined>(linkFieldOrDocument: Field, config?: AsLinkAttrsConfig<LinkResolverFunctionReturnType>) => AsLinkAttrsReturnType<LinkResolverFunctionReturnType>;
export {};