@salesforce-ux/eslint-plugin-slds/build/src/utils/css-functions.d.ts

ESLint plugin provides custom linting rules specifically built for Salesforce Lightning Design System 2 (SLDS 2 beta)

export declare function containsCssFunction(value: string): boolean;
/**
 * Check if a value is exactly a CSS function name
 */
export declare function isCssFunction(value: string): boolean;
export declare function isCssMathFunction(value: string): boolean;
export declare function isCssColorFunction(value: string): boolean;