function StableMerge3d( mergedElements ) {

	// StableMerge3d inherits from abstract strategy "MergeStrategy3d".
	
	MergeStrategy3d.call( this, mergedElements );

}
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Functions below override base class MergeStrategy3d's abstract method

StableMerge3d overrides MergeStrategy3d's function:
getOutputShape, validate, getRelativeElements

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