export function scssCheck(file: string): void;
export function scssCompile(file: string, compressed?: boolean): string;
export function mockHTMLElement(options: any): {
    mockRestore: () => void;
};
export function expectWarn(message: string | regex | Function | [], test: Function, calls?: number): any;
export function expectWarnAsync(message: any, test: any): Promise<void>;
export function expectMultipleWarn(messages: [], test: Function): Promise<any>;
export function checkLogging(mockedThing: any, message: any): void;
export function expectLogging({ errors, warnings }: any, test: Function): Promise<any>;
export function expectError(message: string | regex | Function | [], test: Function): any;
export function expectMultipleError(messages: [], test: Function): Promise<any>;
export function deprecated(propName: string, componentName: string, additionalInfo?: string): any;
export function deprecatedUsage(propName: string, componentName: string, additionalInfo?: string): any;
export function required(propName: string, componentName: string): any;
export function invalid(propName: string, componentName: string, suppliedType: string, expectedType: string): any;
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