import { VisualKeyboard } from "./visual-keyboard.js";
export default class KvkFileWriter {
    /**
     * Writes the visual keyboard to a binary .kvk format byte array.
     * @param source VisualKeyboard
     * @returns Uint8Array, the .kvk file
     */
    write(source: VisualKeyboard): Uint8Array;
    private build;
    /**
     * Fills a kvk string from a source string. Note that the format includes both
     * a length word and zero termination.
     *
     * @param str
     * @param value
     * @returns number
     */
    private setString;
}
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