renamed Processor#end to Processor#finalize

lib/single-file/single-file-core.js

@@ -196,7 +196,7 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 			await this.pendingPromises;
 			await this.executeStage(REPLACE_DOCS_STAGE);
 			await this.executeStage(POST_PROCESS_STAGE);
-			await this.processor.end();
+			await this.processor.finalize();
 		}
 
 		async getPageData() {
@@ -409,7 +409,7 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 			};
 		}
 
-		async end() {
+		async finalize() {
 			const metaCharset = this.doc.head.querySelector("meta[charset]");
 			if (metaCharset) {
 				this.doc.head.insertBefore(metaCharset, this.doc.head.firstChild);