import * as i0 from '@angular/core';
import { InjectionToken, PipeTransform } from '@angular/core';

declare function isNumeric(value: any): value is number;
type StyleMap = Record<string, any>;
type StyleTransformer = (value: any, context?: any) => StyleMap;
declare const defaultStyleTransformer: StyleTransformer;
declare const STYLE_TRANSFORMER: InjectionToken<StyleTransformer>;
declare function provideStyleTransformer(useFactory: () => StyleTransformer): {
    provide: InjectionToken<StyleTransformer>;
    useFactory: () => StyleTransformer;
};
declare function injectParentStyleTransformer(): StyleTransformer;
declare class StylePipe implements PipeTransform {
    protected transformer: StyleTransformer;
    transform(value: any, context?: any): StyleMap;
    static ɵfac: i0.ɵɵFactoryDeclaration<StylePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<StylePipe, "style", true>;
}

export { STYLE_TRANSFORMER, StylePipe, defaultStyleTransformer, injectParentStyleTransformer, isNumeric, provideStyleTransformer };
export type { StyleMap, StyleTransformer };