message: removed unnecessary colon from GraphicBuilder.ts
diff: @@ -165,7 +165,7 @@ export abstract class GraphicBuilder {
  // public abstract wantPreBakedBody(body: IBRepEntityCR): boolean;
  public abstract _finish(): Graphic;
  - public finish(): Graphic | undefined { return this.isOpen ? this._finish() : undefined; };
  + public finish(): Graphic | undefined { return this.isOpen ? this._finish() : undefined; }
  /**
  * Set a GraphicParams to be the "active" GraphicParams for this Graphic.
  