import type { ProcessorBuilder } from './processor';
import type { DeclarationProperty, DeclarationValues } from './types';
export declare class CSS {
    private readonly Processor;
    private readonly logger;
    constructor(Processor: ProcessorBuilder);
    processValue(declarationValue: DeclarationValues, declarationProperty?: DeclarationProperty): any;
    private getProcessedValue;
    private static readonly TRANSFORM_TYPES;
    private isTransformArray;
    private isOverflow;
    /**
     * Between some tokens there isn't a comma but it should be.
     * For example this applies to Array of shadows
     */
    private addComaBetweenTokens;
    private logUnsupported;
    private makeSafeForSerialization;
}