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function(t,e,r){"use strict";var n=r(116740),i=r(885578),o=r(797686),a=n.Repeat;t.exports=function(t,e,r,n){e.isCollapsed()||o(!1);var s=null;if(null!=r&&(s=r.length),null==s||0===s)return t;var u=t.getBlockMap(),c=e.getStartKey(),l=e.getStartOffset(),f=u.get(c),p=f.getText(),h=f.merge({text:p.slice(0,l)+r+p.slice(l,f.getLength()),characterList:i(f.getCharacterList(),a(n,s).toList(),l)}),d=l+s;return t.merge({blockMap:u.set(c,h),selectionAfter:e.merge({anchorOffset:d,focusOffset:d})})}}