import { ComponentHarness, BaseHarnessFilters, HarnessPredicate } from '@angular/cdk/testing';

/** Sort direction as exposed by the aria-sort attribute. */
type SortHeaderSortDirection = 'ascending' | 'descending' | 'none';
/** Harness filters for ComSortHeaderHarness. */
interface ComSortHeaderHarnessFilters extends BaseHarnessFilters {
    /** Filter by the header's text content. */
    label?: string | RegExp;
    /** Filter by the column id (comSortHeader attribute value). */
    id?: string | RegExp;
    /** Filter by the current sort direction. */
    sortDirection?: SortHeaderSortDirection;
}
/** Harness filters for ComSortHarness. */
type ComSortHarnessFilters = BaseHarnessFilters;
/**
 * Harness for interacting with a sort header in tests.
 */
declare class ComSortHeaderHarness extends ComponentHarness {
    static hostSelector: string;
    /**
     * Gets a HarnessPredicate for matching sort headers.
     * @param options Filter options.
     */
    static with(options?: ComSortHeaderHarnessFilters): HarnessPredicate<ComSortHeaderHarness>;
    /** Gets the header's text content. */
    getLabel(): Promise<string>;
    /** Gets the column id (comSortHeader attribute value). */
    getId(): Promise<string>;
    /** Gets the current sort direction from aria-sort. */
    getSortDirection(): Promise<SortHeaderSortDirection>;
    /** Whether this header is actively sorted (direction is not 'none'). */
    isActive(): Promise<boolean>;
    /** Whether this header is disabled. */
    isDisabled(): Promise<boolean>;
    /** Clicks the header to cycle sort direction. */
    click(): Promise<void>;
    /** Focuses the header element. */
    focus(): Promise<void>;
    /** Blurs the header element. */
    blur(): Promise<void>;
    /** Whether the header element is focused. */
    isFocused(): Promise<boolean>;
}
/**
 * Harness for interacting with a sort container in tests.
 */
declare class ComSortHarness extends ComponentHarness {
    static hostSelector: string;
    /**
     * Gets a HarnessPredicate for matching sort containers.
     * @param options Filter options.
     */
    static with(options?: ComSortHarnessFilters): HarnessPredicate<ComSortHarness>;
    /** Gets all sort headers, optionally filtered. */
    getSortHeaders(filters?: ComSortHeaderHarnessFilters): Promise<ComSortHeaderHarness[]>;
    /** Gets the actively sorted header, or null if none is sorted. */
    getActiveHeader(): Promise<ComSortHeaderHarness | null>;
}

export { ComSortHarness, ComSortHeaderHarness };
export type { ComSortHarnessFilters, ComSortHeaderHarnessFilters, SortHeaderSortDirection };