Added generic type annotations for Statement and Database get/all/eac…

…h methods callback rows (#1686)

* Change sqlite3.d.ts to add generic type definition support for Statement methods
-For get method callback's row
-For all method callback's rows
-For each method callback's row

* Change sqlite3.d.ts to add generic type definition support for Database methods
-For get method callback's row
-For all method callback's rows
-For each method callback's row

lib/sqlite3.d.ts

@@ -80,16 +80,16 @@ export class Statement extends events.EventEmitter {
     run(params: any, callback?: (this: RunResult, err: Error | null) => void): this;
     run(...params: any[]): this;
 
-    get(callback?: (err: Error | null, row?: any) => void): this;
-    get(params: any, callback?: (this: RunResult, err: Error | null, row?: any) => void): this;
+    get<T>(callback?: (err: Error | null, row?: T) => void): this;
+    get<T>(params: any, callback?: (this: RunResult, err: Error | null, row?: T) => void): this;
     get(...params: any[]): this;
 
-    all(callback?: (err: Error | null, rows: any[]) => void): this;
-    all(params: any, callback?: (this: RunResult, err: Error | null, rows: any[]) => void): this;
+    all<T>(callback?: (err: Error | null, rows: T[]) => void): this;
+    all<T>(params: any, callback?: (this: RunResult, err: Error | null, rows: T[]) => void): this;
     all(...params: any[]): this;
 
-    each(callback?: (err: Error | null, row: any) => void, complete?: (err: Error | null, count: number) => void): this;
-    each(params: any, callback?: (this: RunResult, err: Error | null, row: any) => void, complete?: (err: Error | null, count: number) => void): this;
+    each<T>(callback?: (err: Error | null, row: T) => void, complete?: (err: Error | null, count: number) => void): this;
+    each<T>(params: any, callback?: (this: RunResult, err: Error | null, row: T) => void, complete?: (err: Error | null, count: number) => void): this;
     each(...params: any[]): this;
 }
 
@@ -103,16 +103,16 @@ export class Database extends events.EventEmitter {
     run(sql: string, params: any, callback?: (this: RunResult, err: Error | null) => void): this;
     run(sql: string, ...params: any[]): this;
 
-    get(sql: string, callback?: (this: Statement, err: Error | null, row: any) => void): this;
-    get(sql: string, params: any, callback?: (this: Statement, err: Error | null, row: any) => void): this;
+    get<T>(sql: string, callback?: (this: Statement, err: Error | null, row: T) => void): this;
+    get<T>(sql: string, params: any, callback?: (this: Statement, err: Error | null, row: T) => void): this;
     get(sql: string, ...params: any[]): this;
 
-    all(sql: string, callback?: (this: Statement, err: Error | null, rows: any[]) => void): this;
-    all(sql: string, params: any, callback?: (this: Statement, err: Error | null, rows: any[]) => void): this;
+    all<T>(sql: string, callback?: (this: Statement, err: Error | null, rows: T[]) => void): this;
+    all<T>(sql: string, params: any, callback?: (this: Statement, err: Error | null, rows: T[]) => void): this;
     all(sql: string, ...params: any[]): this;
 
-    each(sql: string, callback?: (this: Statement, err: Error | null, row: any) => void, complete?: (err: Error | null, count: number) => void): this;
-    each(sql: string, params: any, callback?: (this: Statement, err: Error | null, row: any) => void, complete?: (err: Error | null, count: number) => void): this;
+    each<T>(sql: string, callback?: (this: Statement, err: Error | null, row: T) => void, complete?: (err: Error | null, count: number) => void): this;
+    each<T>(sql: string, params: any, callback?: (this: Statement, err: Error | null, row: T) => void, complete?: (err: Error | null, count: number) => void): this;
     each(sql: string, ...params: any[]): this;
 
     exec(sql: string, callback?: (this: Statement, err: Error | null) => void): this;