export interface RuntimeCausalContext {
    readonly transportSessionId: string;
    readonly workspaceSliceId: string;
    readonly causalSessionId: string;
    readonly strandId: string;
    readonly checkoutEpochId: string;
    readonly warpWriterId: string;
    readonly stability: "runtime_local";
    readonly provenanceLevel: "artifact_history";
}
export declare function buildCheckoutEpochId(repoId: string, worktreeId: string, checkoutEpoch: number): string;
export declare function buildCausalSessionId(repoId: string, worktreeId: string, transportSessionId: string, workspaceSliceId: string): string;
export declare function buildStrandId(causalSessionId: string, checkoutEpochId: string, warpWriterId: string): string;
export declare function buildRuntimeCausalContext(input: {
    readonly transportSessionId: string;
    readonly workspaceSliceId: string;
    readonly repoId: string;
    readonly worktreeId: string;
    readonly checkoutEpoch: number;
    readonly warpWriterId: string;
}): RuntimeCausalContext;
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