import { JsonObjectProperty } from "survey-core";
export declare const DefaultFonts: string[];
export declare function updateFontSettingsJSON(): void;
export declare function fontsettingsToCssVariable(value: any, property: JsonObjectProperty, themeCssVariables: {
    [index: string]: string;
}, defaultValues?: {
    [index: string]: string;
}): void;
export interface FontSettingsDefaults {
    family?: string;
    weight?: string;
    size?: number;
    lineHeight?: number;
    color?: string;
    placeholdercolor?: string;
}
export declare const themeFontPropertyNames: Array<string>;
export declare function getFontSettingsCssVarNames(propertyName: string): string[];
export declare function getThemeFontSettingsCssVarNames(): string[];
export declare function getFontSettingsDefaultsFromBaseTheme(propertyName: string, baseThemeVariables: {
    [index: string]: string;
}): FontSettingsDefaults;
export declare function fontsettingsFromCssVariable(property: JsonObjectProperty, themeCssVariables: {
    [index: string]: string;
}, baseThemeVariables?: {
    [index: string]: string;
}): any;