import type { ApprovalGrant, ApprovalResponse, ApprovalState, FabricPrincipal, JsonObject } from "./types.js";
/** Deterministic digest shared by inline and durable approval runtimes. */
export declare function approvalInputDigest(input: unknown): string;
export declare function createApprovalGrant(input: {
    approvalId: string;
    toolCallId: string;
    toolInput: unknown;
    principal: FabricPrincipal;
    response: ApprovalResponse;
    createdAt: string;
    ttlSeconds?: number;
    decidedAt?: string;
}): ApprovalGrant;
/** Parse persisted provenance without trusting a partial or malformed object. */
export declare function approvalGrantFromJson(value: unknown): ApprovalGrant | undefined;
export declare function approvalGrantToJson(grant: ApprovalGrant): JsonObject;
/** Build the terminal grant after a store reaches approval quorum. */
export declare function createApprovalGrantForState(state: ApprovalState, response: ApprovalResponse): ApprovalGrant | undefined;
/** Reconstruct and validate a durable grant before replaying an approved call. */
export declare function approvalGrantFromState(state: ApprovalState, toolInput: unknown, principal: FabricPrincipal, toolCallId: string): ApprovalGrant | undefined;
export declare function sameApprovalOperation(grant: ApprovalGrant, input: {
    toolCallId: string;
    toolInput: unknown;
    principal: FabricPrincipal;
}): boolean;
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