diff --git a/svg-sprite/svg-sprite.d.ts b/svg-sprite/svg-sprite.d.ts
index 72c8eb1f2..4c441be3c 100644
--- a/svg-sprite/svg-sprite.d.ts
+++ b/svg-sprite/svg-sprite.d.ts
@@ -12,6 +12,7 @@ declare module "svg-sprite" {
     import File = require('vinyl');
 
     namespace sprite {
+        import Function = Stream.Function;
         interface SVGSpriterConstructor extends NodeJS.EventEmitter {
             new(config: Config): SVGSpriter;
         }
@@ -153,7 +154,61 @@ declare module "svg-sprite" {
         }
 
         interface Svg {
+            /**
+             * Output an XML declaration at the very beginning of each compiled sprite.
+             * If you provide a non-empty string here, it will be used one-to-one as declaration (e.g. <?xml version="1.0" encoding="utf-8"?>).
+             * If you set this to TRUE, *svg-sprite* will look at the registered shapes for an XML declaration and use the first one it can find.
+             * @default true
+             */
+            xmlDeclaration: boolean|string;
+            /**
+             * Include a <DOCTYPE> declaration in each compiled sprite. If you provide a non-empty string here,
+             * it will be used one-to-one as declaration (e.g. <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">).
+             * If you set this to TRUE, *svg-sprite* will look at the registered shapes for a DOCTYPE declaration and use the first one it can find.
+             * @default true
+             */
+            doctypeDeclaration: boolean|string;
+            /**
+             * In order to avoid ID clashes, the default behavior is to namespace all IDs in the source SVGs before compiling them into a sprite.
+             * Each ID is prepended with a unique string. In some situations, it might be desirable to disable ID namespacing, e.g. when you want to script the resulting sprite.
+             * Just set svg.namespaceIDs to FALSE then and be aware that you might also want to disable SVGO's ID minification (shape.transform.svgo.plugins: [{cleanupIDs: false}]).
+             * @default true
+             */
+            namespaceIDs?: boolean;
+            /**
+             * In order to avoid CSS class name ambiguities, the default behavior is to namespace CSS class names in the source SVGs before compiling them into a sprite.
+             * Each class name is prepended with a unique string. Disable this option to keep the class names untouched.
+             * @default true
+             */
+            namespaceClassnames?: boolean;
+            /**
+             * If truthy, width and height attributes will be set on the sprite's <svg> element (where applicable).
+             * @default true
+             */
+            dimensionAttributes?: boolean;
+            /**
+             * Shorthand for applying custom attributes to the outermost <svg> element.
+             * Please be aware that certain attributes (e.g. viewBox) will be calculated dynamically and override custom rootAttributes in any case.
+             */
+            rootAttributes?: any;
+            /**
+             * Floating point precision for CSS positioning values (defaults to -1 meaning highest possible precision).
+             */
+            precision?: number;
+            /**
+             * Callback (or list of callbacks) that will be applied to the resulting SVG sprites as global [post-processing transformation](#svg-sprite-customization).
+             * transform: Function∣Array
+             */
+            transform?: SvgTransformer|SvgTransformer[];
+        }
 
+        interface SvgTransformer {
+            /**
+             * Custom sprite SVG transformation
+             * @param svg Sprite SVG
+             * @return Processed SVG
+             */
+            (svg: string): string;
         }
 
         interface Mode {