function getKey(property) {
			const key = property.key;

			if (property.computed) {
				return sourceCode.getText().slice(key.range[0], key.range[1]);
			}
			return astUtils.getStaticPropertyName(property);
		}
Gets an object literal property's key as the identifier name or string value.
@param {ASTNode} property Property node whose key to retrieve.
@returns {string} The property's key.