/**
 * Stable, machine-readable codes for clip recording/upload failures.
 *
 * These accompany (never replace) the human-readable message so callers
 * can branch on a value that does not change with browser locale or
 * wording. Shared by the audio + video clip paths.
 *
 * The code SETS below are the single source of truth: the union types
 * are derived from them, and the `normalize*`/`is*` guards validate any
 * runtime value against them. This is what makes the codes safe across
 * every scenario — SDK-emitted, local-fallback, classifier output, or a
 * value smuggled in by an untyped custom client: anything off-union is
 * coerced to a defined fallback before it reaches a consumer.
 */
/** A clip recorded but could not be stored. */
export declare const CLIP_DROP_CODES: readonly ["empty-recording", "rejected", "server-error", "network-error", "timeout"];
/** A recording could not be started or produced no clip at all. */
export declare const CLIP_START_ERROR_CODES: readonly ["permission-denied", "no-device", "device-in-use", "no-audio-track", "no-video-track", "unsupported", "unknown"];
export type ClipDropCode = (typeof CLIP_DROP_CODES)[number];
export type ClipStartErrorCode = (typeof CLIP_START_ERROR_CODES)[number];
export declare function isClipDropCode(value: unknown): value is ClipDropCode;
export declare function isClipStartErrorCode(value: unknown): value is ClipStartErrorCode;
/**
 * Coerce any value to a valid {@link ClipDropCode}. In-union values pass
 * through; anything else (undefined, a stray string from an untyped
 * client, a future code this build doesn't know) becomes the fallback.
 */
export declare function normalizeClipDropCode(value: unknown): ClipDropCode;
/** Coerce any value to a valid {@link ClipStartErrorCode}. */
export declare function normalizeClipStartErrorCode(value: unknown): ClipStartErrorCode;
/**
 * Classify a thrown recording/acquisition error into a stable code.
 * Mirrors the name-checks used for SDK telemetry so the two stay in
 * step. The audio/video no-track distinction comes from the error
 * message itself, so the kind doesn't need to be passed in. The return
 * is always a valid {@link ClipStartErrorCode} (worst case "unknown").
 */
export declare function classifyClipStartError(err: unknown): ClipStartErrorCode;
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