import { ImageFieldImage } from "../types/value/image.js";
import { ImgixURLParams } from "imgix-url-builder";

//#region src/helpers/asImageSrc.d.ts
/** 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.photo, { sat: -100 })
 * 	// => "https://images.prismic.io/repo/image.png?sat=-100"
 * 	```
 *
 * @param field - An image field (or one of its responsive views) from which to get an image URL.
 * @param config - An object of imgix URL API parameters to transform the image.
 * @returns The image field's URL with transformations applied, or `null` if the
 * field is empty.
 * @see Learn how to optimize images with imgix: {@link https://prismic.io/docs/fields/image}
 * @see imgix URL parameters reference: {@link https://docs.imgix.com/apis/rendering}
 */
declare const asImageSrc: <Field extends ImageFieldImage | null | undefined>(field: Field, config?: ImgixURLParams) => AsImageSrcReturnType<Field>;
//#endregion
export { asImageSrc };
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