export type LogFn = (data: {
    event: string;
    [key: string]: any;
}) => void;
export interface Logger {
    trace: LogFn;
    debug: LogFn;
    info: LogFn;
    warn: LogFn;
    error: LogFn;
}
export declare let logger: Logger;
export declare const setLogger: (newLogger: Logger) => void;
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