import type { NodeAttempt, NodeAttemptId, RetryPolicy, WorkflowDefinition, WorkflowErrorSummary } from "../types/index.js";
export type WorkflowNodeRetryDecision = {
    kind: "retry";
    policy: RetryPolicy;
    currentAttempt: number;
    nextAttempt: number;
    maxAttempts: number;
    availableAt: string;
    delayMs: number;
} | {
    kind: "exhausted";
    policy: RetryPolicy;
    currentAttempt: number;
    maxAttempts: number;
    error: WorkflowErrorSummary;
} | {
    kind: "none";
    reason: "no_policy" | "not_retryable" | "retry_on_mismatch";
};
export type WorkflowNodeRetryDecisionOptions = {
    workflow: Pick<WorkflowDefinition, "retry">;
    node: WorkflowDefinition["nodes"][string];
    nodeAttempt: Pick<NodeAttempt, "attempt">;
    error: WorkflowErrorSummary;
    now?: () => Date | string;
};
export declare function resolveWorkflowRetryPolicy(workflow: Pick<WorkflowDefinition, "retry">, node: WorkflowDefinition["nodes"][string]): RetryPolicy | undefined;
export declare function decideWorkflowNodeRetry(options: WorkflowNodeRetryDecisionOptions): WorkflowNodeRetryDecision;
export declare function createRetryScheduledNodeAttempt(previousAttempt: NodeAttempt, decision: Extract<WorkflowNodeRetryDecision, {
    kind: "retry";
}>, options?: {
    id?: NodeAttemptId;
    error?: WorkflowErrorSummary;
}): NodeAttempt;
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