import { ImageFieldImage } from "@prismicio/types";
import { ImgixURLParams } from "imgix-url-builder";
/**
 * The return type of `asImageSrc()`.
 */
type AsImageSrcReturnType<Field extends ImageFieldImage | null | undefined> = Field extends ImageFieldImage<"filled"> ? string : null;
/**
 * Returns the URL of an Image field with optional image transformations (via
 * Imgix URL parameters).
 *
 * @example
 *
 * ```ts
 * const src = asImageSrc(document.data.imageField, { sat: -100 });
 * // => https://images.prismic.io/repo/image.png?sat=-100
 * ```
 *
 * @param field - Image field (or one of its responsive views) from which to get
 *   an image URL.
 * @param params - An object of Imgix URL API parameters to transform the image.
 *
 * @returns The Image field's image URL with transformations applied (if given).
 *   If the Image field is empty, `null` is returned.
 * @see Imgix URL parameters reference: https://docs.imgix.com/apis/rendering
 */
export declare const asImageSrc: <Field extends import("@prismicio/types").EmptyImageFieldImage | import("@prismicio/types").FilledImageFieldImage | null | undefined>(field: Field, params?: ImgixURLParams) => AsImageSrcReturnType<Field>;
export {};