import type { GuardedProjectMutationBounds, GuardedProjectMutationControl, GuardedProjectMutationDirection, GuardedProjectReadRequest, GuardedProjectReadResult, GuardedProjectMutationReceipt, GuardedProjectMutationReceiptRow, JsonObject, ProjectResourceLink, UpdateWorkspaceInput, Workspace } from "../types/workspace.js";
export declare const GUARDED_PROJECT_MUTATION_ROUTE = "projects.guarded-metadata-mutation.v1";
export declare const GUARDED_PROJECT_MUTATION_EVENT = "guarded_metadata_mutation";
export declare const GUARDED_PROJECT_MUTATION_ROLLBACK_EVENT = "guarded_metadata_mutation_rollback";
export declare const COMPLETE_STABLE_PROJECT_ID_PATTERN = "^wks_[A-Za-z0-9_-]{12,}$";
export declare function assertCompleteStableProjectId(value: string): void;
export declare function assertPositiveBounds(bounds: GuardedProjectMutationBounds): void;
export declare function canonicalJson(value: unknown): string;
export declare function sha256(value: string): string;
export declare function requestDigest(patch: UpdateWorkspaceInput): string;
export declare function preconditionDigest(input: {
    project_id: string;
    expected_revision: string;
}): string;
export declare function deriveGuardedIdempotencyKey(input: {
    operation_id: string;
    step_id: string;
    direction: GuardedProjectMutationDirection;
    target_id: string;
    request_digest: string;
    precondition_digest: string;
}): string;
export declare function normalizePatch(patch: UpdateWorkspaceInput): UpdateWorkspaceInput;
export declare function workspaceRevision(workspace: Workspace): string;
export declare function workspaceSnapshot(workspace: Workspace): JsonObject;
export declare function rowToGuardedReceipt(row: GuardedProjectMutationReceiptRow): GuardedProjectMutationReceipt;
export declare function timedOut(startedAtMs: number, timeBudgetMs: number): boolean;
export declare function responseControl(payload: unknown, bounds: GuardedProjectMutationBounds, startedAtMs: number, operation?: string, completeness?: Pick<GuardedProjectMutationControl, "complete" | "truncated">): GuardedProjectMutationControl;
export declare function withResponseControl<T extends Record<string, unknown>>(payload: T, bounds: GuardedProjectMutationBounds, startedAtMs: number, operation?: string, completeness?: Pick<GuardedProjectMutationControl, "complete" | "truncated">): T & {
    response_control: GuardedProjectMutationControl;
};
export declare function buildGuardedProjectReadResult(project: Workspace, input: GuardedProjectReadRequest, startedAtMs: number, resourceLinks?: {
    links: ProjectResourceLink[];
    max_items: number;
    collection_digest: string;
}): GuardedProjectReadResult;
export declare function buildReceiptId(input: {
    operation_id: string;
    step_id: string;
    direction: GuardedProjectMutationDirection;
    idempotency_key: string;
    outcome: string;
    target_id: string;
    suffix?: string;
}): string;
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