import { type Accessor } from "solid-js";
/**
 * Task completion status bubbled through the progress tree.
 *
 * - `indeterminate` — the `value` prop is `null`; no measurable progress
 * - `progressing`   — `0 ≤ value < max`
 * - `complete`      — `value === max`
 */
export type ProgressStatus = "indeterminate" | "progressing" | "complete";
export interface ProgressRootState {
    /** The current task status. */
    status: ProgressStatus;
}
/**
 * The value handed down by `<Progress.Root>` to its children.
 *
 * Every reactive entry is an `Accessor<T>` so that consumers pull the latest
 * value on demand — matching the no-top-level-reactive-reads rule from
 * Solid 2 RFC 01.
 */
export interface ProgressRootContextValue {
    /** Formatted value string (empty string when `value` is `null`). */
    formattedValue: Accessor<string>;
    /** The maximum value. */
    max: Accessor<number>;
    /** The minimum value. */
    min: Accessor<number>;
    /** The current value (`null` = indeterminate). */
    value: Accessor<number | null>;
    /** Current root state — supplies shared state to every part. */
    state: Accessor<ProgressRootState>;
    /** Current status — same info as `state().status`, here for convenience. */
    status: Accessor<ProgressStatus>;
    /**
     * Register a label id so the root can wire `aria-labelledby`. Called by
     * `<Progress.Label>` on mount (passes the id) and on cleanup (passes
     * `undefined`). Safe to invoke from inside owned scope — the underlying
     * signal opts into `ownedWrite` because it's pure internal plumbing.
     */
    setLabelId: (id: string | undefined) => void;
    /** Current registered label id (if any). */
    labelId: Accessor<string | undefined>;
}
/**
 * Progress root context. `createContext<T | null>(null)` + `== null` sentinel
 * — Solid 2's `useContext` throws `ContextNotFoundError` when
 * the default is `undefined`, which would shadow the intended Base UI error
 * message below.
 */
export declare const ProgressRootContext: import("solid-js").Context<ProgressRootContextValue | null>;
/**
 * Read the `<Progress.Root>` context. Throws a descriptive error if the
 * caller forgot to wrap their subtree in `<Progress.Root>` — matches Base
 * UI React.
 */
export declare function useProgressRootContext(): ProgressRootContextValue;
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