import * as parse5 from "parse5";
import * as postcss from "postcss";
import * as specificity from "specificity";
export interface PseudoStates {
    /**
     * Maps the pseudo-state's name to the elements for which
     * that state can affect the computed style of an element.
     */
    [pseudoState: string]: Array<parse5.Element>;
}
export interface StyledPseudoElements {
    /**
     * Maps the pseudo-element's name to its computed style
     * The name does not include the preceding colon(s).
     */
    [pseudoElement: string]: ElementStyle;
}
/**
 * The styles computed from the cascade for an element in a particular state.
 */
export interface ComputedStyle {
    [property: string]: string;
}
export interface MatchedSelector {
    selector: string;
    rule: postcss.Rule;
    specificity: specificity.Specificity;
}
export declare class ElementStyle {
    matchedSelectors: Array<MatchedSelector>;
    /**
     * Track whether the selectors are out of order and need to be re-sorted;
     */
    private dirty;
    constructor();
    /**
     * @returns All possible pseudo states for this element and related elements.
     */
    pseudoStates(): PseudoStates;
    /**
     * @returns map of pseudo elements with styles to the computed style. The
     * name of the pseudo-element should not include the preceding colon(s).
     */
    styledPseudoElements(): StyledPseudoElements;
    pseudoElementStyle(_name: string): ElementStyle;
    add(selector: string, rule: postcss.Rule, specificity: specificity.Specificity): void;
    private clean;
    compute(): ComputedStyle;
    debug(): string;
}
export declare type FullCascade = Map<parse5.Element, ElementStyle>;
export declare class Cascade {
    stylesheet: string;
    html: parse5.DefaultTreeDocument;
    constructor(stylesheet: string, html: parse5.DefaultTreeDocument);
    perform(): Promise<FullCascade>;
}
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