export declare function getByteCount(wordLen: number): number;
export declare function getTransportSize(wordLen: number): number;
export declare function readFixedString(buf: Buffer, offset: number, len: number): string;
export declare function writeFixedString(buf: Buffer, offset: number, len: number, str: string): void;
export declare function encodeS7Address(start: number, bitOffset: number, area: number, dbNumber: number, wordLen: number): Buffer;
export declare function s7DateToDate(year: number, month: number, day: number, hour: number, minute: number, second: number): Date;
export declare function dateToS7Date(d: Date): {
    year: number;
    month: number;
    day: number;
    hour: number;
    minute: number;
    second: number;
};
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