export type WorkflowAtomicWritePoint = "after-file-sync" | "before-commit" | "after-commit" | "after-directory-sync";
export type WorkflowAtomicFaultInjector = (point: WorkflowAtomicWritePoint) => void | Promise<void>;
export declare function writeWorkflowJson(path: string, value: unknown, options?: {
    readonly createOnly?: boolean;
    readonly fault?: WorkflowAtomicFaultInjector;
}): Promise<void>;
export declare function readWorkflowJson(path: string): Promise<unknown | undefined>;
export declare function syncWorkflowDirectory(path: string): Promise<void>;
export declare function canonicalJson(value: unknown): string;
export declare function sha256(value: string): string;
export declare function isNodeError(error: unknown): error is NodeJS.ErrnoException;
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