import type { StoredRun, StoredRunStep, StoredSession, StoredSessionHostMetrics } from '@opensip-cli/contracts';
import type { DataStore } from '@opensip-cli/datastore';
/** Maximum Sessions accepted by one all-or-nothing host evidence commit. */
export declare const MAX_EVIDENCE_BUNDLE_SESSIONS = 256;
/** Maximum ordered RunSteps accepted by one all-or-nothing evidence commit. */
export declare const MAX_EVIDENCE_BUNDLE_STEPS = 512;
/** Maximum canonical serialized input size accepted by one evidence commit. */
export declare const MAX_EVIDENCE_BUNDLE_BYTES: number;
export interface EvidenceBundleSession {
    readonly session: StoredSession;
    readonly hostMetrics: StoredSessionHostMetrics;
}
export interface EvidenceBundleRun {
    readonly run: StoredRun;
    readonly steps: readonly StoredRunStep[];
}
/**
 * A synchronous, read-only condition evaluated after both the datastore write
 * lock and SQLite transaction are active. Returning false rejects the bundle
 * without writing any row.
 */
export type EvidenceBundlePrecondition = () => boolean;
export interface EvidenceBundleInput {
    readonly sessions: readonly EvidenceBundleSession[];
    readonly run?: EvidenceBundleRun;
    readonly precondition?: EvidenceBundlePrecondition;
}
export type EvidenceBundleFailureReason = 'invalid-input' | 'limit-exceeded' | 'duplicate-id' | 'missing-session-link' | 'write-failed';
export type EvidenceBundleCommitResult = {
    readonly status: 'committed';
    readonly sessionIds: readonly string[];
    readonly runId?: string;
    readonly sessionCount: number;
    readonly stepCount: number;
    readonly serializedBytes: number;
    readonly persistMs: number;
} | {
    readonly status: 'precondition-rejected';
} | {
    readonly status: 'failed';
    readonly reason: EvidenceBundleFailureReason;
};
/**
 * Atomically commit host-owned evidence without exposing raw SQL or datastore
 * handles. All shape, count, identity, mapping, and byte checks complete before
 * the first insert. Retained Session-link checks and the optional precondition
 * execute inside the same write lock and transaction as every insert.
 */
export declare function commitEvidenceBundle(store: DataStore, input: EvidenceBundleInput): EvidenceBundleCommitResult;
/**
 * Measure an input with the exact canonical byte accounting enforced by
 * {@link commitEvidenceBundle}. Host accumulators can use this pure seam to
 * reject an over-budget contribution before finalization.
 */
export declare function measureEvidenceBundleBytes(input: EvidenceBundleInput): number;
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