import { ProviderContextPrepared, ProviderContextInput, StylesContextPerformance } from '@fluentui/react-bindings';
import { CreateRenderer, Renderer } from '@fluentui/react-northstar-styles-renderer';
export declare const getRenderer: (createRenderer: CreateRenderer, target?: Document) => Renderer;
export declare const mergePerformanceOptions: (target: StylesContextPerformance | Partial<StylesContextPerformance>, ...sources: Partial<StylesContextPerformance>[]) => any;
export declare const mergeBooleanValues: (target: any, ...sources: any[]) => any;
export declare const mergeProviderContexts: (createRenderer: CreateRenderer, ...contexts: (ProviderContextInput | ProviderContextPrepared)[]) => ProviderContextPrepared;