import type { AgentProgress, TaskToolDetails } from "./types";
export type ProviderRetryKind = NonNullable<AgentProgress["retryState"]>["kind"];
export declare function classifyProviderRetry(errorMessage: string): ProviderRetryKind;
/**
 * Prefer typed transport facts when present; fall back to message regex for
 * message-only callers that never received `transportFailure.providerCode`.
 */
export declare function classifyProviderRetryFromTransport(facts: {
    providerCode?: string;
    errorMessage?: string;
}): ProviderRetryKind;
export declare function providerNameFromModel(model: string | undefined): string | undefined;
export declare function providerRetryPhaseLabel(kind: ProviderRetryKind): string;
export declare function providerProgressAgeLabel(retryState: NonNullable<AgentProgress["retryState"]>, nowMs: number): string;
export declare function hasActiveProviderRetryInTaskDetails(details: TaskToolDetails, seen?: WeakSet<object>): boolean;
export declare function hasActiveProviderRetryInProgress(progress: AgentProgress, seen?: WeakSet<object>): boolean;
export interface ProviderDegradationGroup {
    provider: string;
    count: number;
}
export declare function collectProviderDegradationGroups(progress: readonly AgentProgress[]): ProviderDegradationGroup[];