Community supported mirror node information can be found here:
If you building your client with a predefined Hedera network (previewnet, testnet, mainnet), you do not need to define the mirror client as it is built in. If you would like to modify the mirror client, you can use
Initializes the MirrorClient object
Javafinal MirrorClient mirrorClient = new MirrorClient(MIRROR_NODE_ADDRESS);
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