export declare const logger: {
    debug: {
        (...data: any[]): void;
        (message?: any, ...optionalParams: any[]): void;
    };
    warn: () => void;
    error: {
        (...data: any[]): void;
        (message?: any, ...optionalParams: any[]): void;
    };
};
/**
 * Creates a test directory that is not checked into the build that is used to
 * test the functionality of the plugin.
 */
export declare function prepareTest(key: string): string;
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