import type { WorkflowValidationIssue } from './issues.js';
import { type JsonValue } from './model.js';
export type WorkflowRepositoryErrorCode = 'not-found' | 'id-conflict' | 'revision-conflict' | 'idempotency-conflict' | 'retired' | 'bad-cursor' | 'bad-input' | 'already-submitted' | 'corrupt-record';
export declare class WorkflowRepositoryError extends Error {
    readonly code: WorkflowRepositoryErrorCode;
    /** What exactly was wrong. Authoring a 20-node graph against a bare
     *  "definition is invalid" means bisecting it by hand, so every surface
     *  that can name a node, edge, or field path does. */
    readonly issues?: readonly WorkflowValidationIssue[];
    constructor(code: WorkflowRepositoryErrorCode, message: string, issues?: readonly WorkflowValidationIssue[]);
}
export declare function repositoryError(code: WorkflowRepositoryErrorCode, message: string, issues?: readonly WorkflowValidationIssue[]): never;
export declare function isCanonicalInstant(value: unknown): value is string;
export declare function canonicalStamp(value: unknown, stored?: boolean): string;
export declare function parseWorkflowId(value: unknown): string;
export declare function parseNodeId(value: unknown): string;
export declare function isRunId(value: unknown): value is string;
export declare function parseRunId(value: unknown): string;
export declare function newRunId(): string;
export declare function parseExpectedRevision(subject: string, value: unknown): number;
export declare function parseLimit(value: JsonValue | undefined, subject: string): number;
export declare function parseBoundedString(value: JsonValue | undefined, label: string, max?: number): string | undefined;
export declare function isThenable(value: unknown): boolean;
export declare function parseJsonRecord(value: unknown, message: string): Record<string, JsonValue>;
export declare function assertExactKeys(value: Record<string, JsonValue>, allowed: readonly string[], message: string): void;
export declare function parseStoredJson(value: unknown, subject: string): JsonValue;
export declare function canonicalJson(value: JsonValue): string;
interface CursorSpec {
    endpoint: string;
    instantKey: 'updatedAt' | 'startedAt';
    validateId: (value: unknown) => string;
}
export declare function encodeCursor(spec: CursorSpec, instant: string, id: string): string;
export declare function decodeCursor(value: unknown, spec: CursorSpec): {
    instant: string;
    id: string;
};
export {};
//# sourceMappingURL=repository-support.d.ts.map