[SQL] oracle varray functionality?

[Postgres User]

I've run across a custom type in an oracle database that I am porting to 
PostGreSQL: 

create or replace type number_varray as varray(1000) of number; 

Is the int4array example the same as this? 

create type int4array(input=int4array_in,output=int4array_out,
internallength=variable,element=int4); 

pgu

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