import type { Breakpoint } from '../../design-tokens/generated/breakpoints';
import type { BackgroundImageSrc, BreakpointImageSet, ImageSrc, SrcSet } from '../types/images';
export declare const isImageSrcString: (imageSrc: ImageSrc | undefined) => imageSrc is string;
export declare const isImageSrcSrcSet: (imageSrc: ImageSrc | undefined) => imageSrc is SrcSet;
export declare const isImageSrcEmpty: (imageSrc: ImageSrc | undefined) => boolean;
export declare const convertSrcSetToString: (imageSrc: SrcSet) => string;
export declare const isBackgroundImageSrcUrl: (backgroundImageSrc: BackgroundImageSrc | undefined) => backgroundImageSrc is string;
export declare const isBackgroundImageSrcBreakpointImageSet: (backgroundImageSrc: BackgroundImageSrc | undefined) => backgroundImageSrc is BreakpointImageSet;
export declare const isBackgroundImageSrcEmpty: (backgroundImageSrc: BackgroundImageSrc | undefined) => boolean;
export declare const getSmallToLargeSrcSetEntries: (srcSet: SrcSet) => [string, string][];
export declare const getHighestResolutionImageUrlFromSrcSet: (srcSet: SrcSet) => string | null;
export declare const getHighestResolutionImageUrlFromBreakpointImageSet: (breakpointImageSet: BreakpointImageSet) => string | null;
export declare const getFilledBreakpointImageSet: (breakpointImageSet: BreakpointImageSet) => Partial<Record<"md" | "xs" | "sm" | "lg" | "xl", string>>;
type BreakpointBackgroundImageVariable = `--${Breakpoint}-background-image`;
export declare const getBackgroundImageCSSVariablesFromBreakpointImageSet: (breakpointImageSet: BreakpointImageSet) => Partial<Record<BreakpointBackgroundImageVariable, string>>;
export {};
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