export type Uint8 = number;
export type Uint16 = number;
export type Uint32 = number;
export type Int16 = number;
export type Int32 = number;
export type FWord = Int16;
export type Fixed = number;
/**
 * A module for reading binary data. Used internally by `parseTTF()`. Keeps track of the current
 * position, assuming sequential reads.
 */
export declare class BinaryReader {
    private readonly options?;
    private readonly view;
    private position;
    constructor(data: ArrayBuffer, options?: {
        littleEndian?: boolean | undefined;
    } | undefined);
    /**
     * Read two bytes as an unsigned integer and advance the position by two bytes.
     */
    getUint16(): Uint16;
    /**
     * Read two bytes as a signed integer and advance the position by two bytes.
     */
    getInt16(): Int16;
    /**
     * Read four bytes as an unsigned integer and advance the position by four bytes.
     */
    getUint32(): Uint32;
    /**
     * Read four bytes as a signed integer and advance the position by four bytes.
     */
    getInt32(): Int32;
    /**
     * Read four bytes as a fixed-point number (2 bytes integer and 2 byte fraction) and advance the
     * position by four bytes.
     */
    getFixed(): Fixed;
    /**
     * Read eight bytes as a date (seconds since 1904-01-01 00:00:00) without advancing the position.
     */
    getDate(): Date;
    /**
     * Alias for `getUint16`.
     */
    getFWord(): FWord;
    /**
     * Read a string of the given length and advance the position by that length.
     */
    getString(length: number): string;
    /**
     * Look up array slice of the given length at the current position without advancing it.
     */
    getDataSlice(offset: number, length: number): Uint8Array;
    /**
     * Get the current position.
     */
    getPosition(): number;
    /**
     * Set the current position.
     */
    setPosition(position: number): void;
    /**
     * Run the given action at the given position, restoring the original position afterwards.
     */
    runAt<T>(position: number, action: () => T): T;
}