getTransforms( /* shaderStage  */ ) {

		const transforms = this.transforms;

		let snippet = '';

		for ( let i = 0; i < transforms.length; i ++ ) {

			const transform = transforms[ i ];
			const attributeName = this.getPropertyName( transform.attributeNode );

			if ( attributeName ) snippet += `${ transform.varyingName } = ${ attributeName };\n\t`;

		}

		return snippet;

	}
Returns the transforms of the given shader stage as a GLSL string.

@param {string} shaderStage - The shader stage.
@return {string} The GLSL snippet that defines the transforms.