void initialize(MemoryBlock blockToInitialize) {
		this.block = blockToInitialize;
		newStartAddr = blockToInitialize.getStart();
		blockStart = newStartAddr;
		newEndAddr = blockToInitialize.getEnd();
		listener.stateChanged();
	}
Set up this model.

@param blockToInitialize block to move
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/memory/MoveBlockModel.java