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t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.getLength()-t,n=s(t,e),r=f(n,2);return t=r[0],e=r[1],this.editor.getText(t,e)}},{key:"hasFocus",value:function(){return this.selection.hasFocus()}},{key:"insertEmbed",value:function(e,n,r){var o=this,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:t.sources.API;return a.call(this,function(){return o.editor.insertEmbed(e,n,r)},i,e)}},{key:"insertText",value:function(t,e,n,r,o){var i=this,l=void 0,u=s(t,0,n,r,o),c=f(u,4);return t=c[0],l=c[2],o=c[3],a.call(this,function(){return i.editor.insertText(t,e,l)},o,t,e.length)}},{key:"isEnabled",value:function(){return!this.container.classList.contains("ql-disabled")}},{key:"off",value:function(){return this.emitter.off.apply(this.emitter,arguments)}},{key:"on",value:function(){return this.emitter.on.apply(this.emitter,arguments)}},{key:"once",value:function(){return 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