import { ResponsiveString } from "../typings";
export declare const breakpoints: string[];
export declare const breakpointLabels: string[];
export declare const breakpointValues: number[];
declare global {
    interface Window {
        $contentBlocks?: any;
    }
}
export declare function getBreakpointValues(): any;
export declare function generateResponsiveValues(responsiveValue: string): string[];
export declare function getCurrentBreakpointIndex(): number;
export declare function getCurrentValue(responsiveValue: string | boolean): string;
export declare function getValueAtIndex(index: number, responsiveValue: ResponsiveString): string;
export declare function getHydratedClassString(classString: string): string;
export declare function objectToCssString(object: object): string;
export declare function generateResponsiveClass(classPrefix: string, responsiveValue: string): string;
export declare function insertCssIntoHead(document: Document, fontCssUrl: string): void;
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