readString is typed as `any` in the published declarations (d.ts) files

[zachkirsch]

export declare class Reader {
    private pos;
    private view;
    private bytes;
    constructor(buf: ArrayBufferView);
    readUInt8(): number;
    readUInt32(): number;
    readUInt64(): bigint;
    readUVarint(): number;
    readVarint(): number;
    readFloat(): number;
    readBits(numBits: number): boolean[];
    readString(): any; // <-----
    readBuffer(numBytes: number): Uint8Array;
    remaining(): number;
}