import type { Rule } from 'eslint';
/**
 * Inserts or updates `const iconSpacingStyles = cssMap({ spaceXXX: { padding: token('space.XXX') } })`
 * after the last import statement.
 *
 * If `iconSpacingStyles` already exists, adds the new key to the existing cssMap object.
 * If it doesn't exist, inserts a new declaration after the last import.
 */
export declare function upsertCssMapVariable(context: Rule.RuleContext, fixer: Rule.RuleFixer, paddingToken: string): Rule.Fix | undefined;