import { a11ySnapshot as snap } from '@web/test-runner-commands';
export interface A11yTreeSnapshot {
    name: string;
    role: string;
    children?: A11yTreeSnapshot[];
    checked?: boolean;
    disabled?: boolean;
    description?: string;
    expanded?: boolean;
    focused?: boolean;
    haspopup?: string;
    level?: number;
    selected?: boolean;
    value?: number;
    valuetext?: string;
    valuemin?: number;
    valuemax?: number;
}
/**
 * @param payload e.g. { selector: 'pf-select' }
 */
export declare function a11ySnapshot(payload?: Parameters<typeof snap>[0]): Promise<A11yTreeSnapshot>;
type SnapshotQuery = Partial<Record<keyof A11yTreeSnapshot, string | boolean | number | RegExp>>;
/**
 * Deeply search an accessibility tree snapshot for an object matching your query
 * @param snapshot the snapshot root to recurse through
 * @param query object with properties matching the snapshot child you seek
 */
export declare function querySnapshot(snapshot: A11yTreeSnapshot, query: SnapshotQuery): A11yTreeSnapshot | null;
/**
 * Deeply search an accessibility tree snapshot for all objects matching your query
 * @param snapshot the snapshot root to recurse through
 * @param query object with properties matching the snapshot children you seek
 */
export declare function querySnapshotAll(snapshot: A11yTreeSnapshot, query: SnapshotQuery): A11yTreeSnapshot[];
/** @see https://w3c.github.io/aria/#ref-for-dom-ariamixin-ariaactivedescendantelement-1 */
declare global {
    interface ARIAMixin {
        ariaActiveDescendantElement: Element | null;
        ariaControlsElements: readonly Element[] | null;
        ariaDescribedByElements: readonly Element[] | null;
        ariaDetailsElements: readonly Element[] | null;
        ariaErrorMessageElements: readonly Element[] | null;
        ariaFlowToElements: readonly Element[] | null;
        ariaLabelledByElements: readonly Element[] | null;
        ariaOwnsElements: readonly Element[] | null;
    }
}
declare global {
    namespace Chai {
        interface Assertion {
            /** Assert that the a11ySnapshot contains a node with the given name */
            axContainName(name: string, msg?: string): Assertion;
            /** Assert that a given role exists in the ax tree */
            axContainRole(role: string, msg?: string): Assertion;
            /** Assert that a node matching a given query object exists in the ax tree */
            axContainQuery(query: SnapshotQuery, msg?: string): Assertion;
            /**
             * Assert that an AX Tree node that matches the query object exists in the tre
             */
            axQuery(query: SnapshotQuery, msg?: string): Assertion;
            /**
             * Assert that the a11ySnapshot shows that a given element has focus.
             * This assertion ultimately matches on the accessible name of the given element,
             * so test authors must ensure that every element has a unique accessible name
             * (i.e. aria-label or textContent).
             */
            axTreeFocusOn(element?: Element | null, msg?: string): Assertion;
            /**
             * Assert that the a11ySnapshot shows that a given element has focus.
             * This assertion ultimately matches on the accessible name of the given element,
             * so test authors must ensure that every element has a unique accessible name
             * (i.e. aria-label or textContent).
             */
            axTreeFocusedNode: Assertion;
            /** Assert that an AX Tree node has a given role */
            axRole(role: string, msg?: string): Assertion;
            /** Assert that an AX Tree node has a given name */
            axName(role: string, msg?: string): Assertion;
            /** Assert that an AX Tree node has a given description */
            axDescription(description: string, msg?: string): Assertion;
            /** Assert that an AX Tree node has a given property with a given value */
            axProperty(propName: keyof A11yTreeSnapshot, value: A11yTreeSnapshot[keyof A11yTreeSnapshot], msg?: string): Assertion;
        }
    }
}
export {};