update electron to v43

electron/node_modules/dir-compare/build/src/FileSystem/BufferPool.d.ts

@@ -0,0 +1,24 @@
+/// <reference types="node" />
+export interface BufferPair {
+    buf1: Buffer;
+    buf2: Buffer;
+    busy: boolean;
+}
+/**
+ * Collection of buffers to be shared between async processes.
+ * Avoids allocating buffers each time async process starts.
+ */
+export declare class BufferPool {
+    private readonly bufSize;
+    private readonly bufNo;
+    private readonly bufferPool;
+    /**
+     *
+     * @param bufSize Size of each buffer.
+     * @param bufNo Number of buffers. Caller has to make sure no more than bufNo async processes run simultaneously.
+     */
+    constructor(bufSize: number, bufNo: number);
+    allocateBuffers(): BufferPair;
+    freeBuffers(bufferPair: BufferPair): void;
+}
+//# sourceMappingURL=BufferPool.d.ts.map