From 51aa23b14654df0eb946595086a0487ca9d1967e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Siemienik=20Pawe=C5=82?= <siemienik.pawel@gmail.com>
Date: Sun, 26 Jan 2020 13:30:47 +0100
Subject: [PATCH 1/4] Fix index.d.ts

https://github.com/exceljs/exceljs/blob/9ec41e360d1700cd482e5391bac791db84f42c74/lib/doc/cell.js#L671
---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index cfb3f12b4..ec99b17a9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -388,7 +388,7 @@ export interface CellModel {
 	text?: string;
 	hyperlink?: string;
 	value?: CellValue;
-	master: Cell;
+	master: Cell|string;
 	formula?: string;
 	sharedFormula?: string;
 	result?: string | number | any;

From f612b81edba6577e8f9d1db09aca1c82691ad68f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Siemienik=20Pawe=C5=82?= <siemienik.pawel@gmail.com>
Date: Sun, 26 Jan 2020 13:40:58 +0100
Subject: [PATCH 2/4] Update index.d.ts

---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index ec99b17a9..e859a39e0 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -388,7 +388,7 @@ export interface CellModel {
 	text?: string;
 	hyperlink?: string;
 	value?: CellValue;
-	master: Cell|string;
+	master: string;
 	formula?: string;
 	sharedFormula?: string;
 	result?: string | number | any;

From faaad1f126aa3a16a9272b8441751b2ea998a5de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Siemienik=20Pawe=C5=82?= <siemienik.pawel@gmail.com>
Date: Sun, 26 Jan 2020 14:07:33 +0100
Subject: [PATCH 3/4] Update index.d.ts

---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index e859a39e0..e146e63d1 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -407,7 +407,7 @@ export interface Cell extends Style, Address {
 	readonly text: string;
 	readonly fullAddress: {
 		sheetName: string;
-		address: Address;
+		address: string;
 		row: Row;
 		col: Column;
 	};

From 0c4ce918794dc4d42e62524c4308aa19efd1cb2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Siemienik=20Pawe=C5=82?= <siemienik.pawel@gmail.com>
Date: Sun, 26 Jan 2020 22:06:43 +0100
Subject: [PATCH 4/4] Update column typing

---
 index.d.ts | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index e146e63d1..541730170 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -614,9 +614,22 @@ export interface Column {
 	 * Column letter key
 	 */
 	readonly letter: string;
-}
+	readonly number: number;
+	readonly worksheet: Worksheet;
+	readonly isCustomWidth: boolean;
+	readonly headers: string[];
+	readonly isDefault: boolean;
+	readonly headerCount: number;
+	border: Partial<Borders>;
+	fill: Fill;
+	numFmt: string
+	font: Partial<Font>;
+	alignment: Partial<Alignment>;
+	protection: Partial<Protection>;
+
+	toString(): string
+	equivalentTo(other: Column): boolean
 
-export interface ColumnExtension extends Partial<Style> {
 	/**
 	 * indicate the collapsed state based on outlineLevel
 	 */
@@ -631,8 +644,9 @@ export interface ColumnExtension extends Partial<Style> {
 	 * Iterate over all current cells in this column including empty cells
 	 */
 	eachCell(opt: { includeEmpty: boolean }, callback: (cell: Cell, rowNumber: number) => void): void;
-}
 
+	defn: any; //todo
+}
 export interface PageSetup {
 	/**
 	 * Whitespace on the borders of the page. Units are inches.
@@ -1016,7 +1030,7 @@ export interface Worksheet {
 	/**
 	 * Access an individual columns by key, letter and 1-based column number
 	 */
-	getColumn(indexOrKey: number | string): Partial<Column> & ColumnExtension;
+	getColumn(indexOrKey: number | string): Partial<Column>;
 
 	/**
 	 * Cut one or more columns (columns to the right are shifted left)