import { MultiDbManager } from '../core/multi-db-manager';
import { ReasonCode } from '../models/reason-codes';
import { Evidence } from '../models/evidence';
/**
 * Source access contract.
 * Determines whether source code is available and under what constraints.
 */
export interface SourceAccessContract {
    /** Status of source code access */
    status: 'AVAILABLE' | 'UNAVAILABLE' | 'PARTIAL';
    /** Type of resolver (how source code is accessed) */
    resolver_type: 'FILESYSTEM' | 'GIT' | 'REMOTE' | 'SNAPSHOT' | null;
    /** Workspace root path */
    workspace_root: string | null;
    /** Access constraints */
    constraints: {
        max_bytes_per_request: number;
        max_lines_per_request: number;
        max_concurrent_requests: number;
        redactions: string[];
    } | null;
    /** Reason codes (when UNAVAILABLE/PARTIAL) */
    reason_codes?: ReasonCode[];
    /** When this contract was verified */
    verified_at: string;
    /** Evidence grade */
    evidence_grade: 'DETERMINISTIC' | 'INFERRED';
    /** Evidence information */
    evidence: Evidence;
}
/**
 * API for managing source access contract.
 * Determines whether source code is available and provides runtime status.
 */
export declare class SourceAccessContractApi {
    private dbManager;
    constructor(dbManager: MultiDbManager);
    /**
     * Get current source access contract.
     * Deterministically checks if workspace root is accessible.
     */
    getContract(workspaceRoot?: string): Promise<SourceAccessContract>;
    /**
     * Initialize source access contract.
     */
    initializeContract(workspaceRoot: string): Promise<SourceAccessContract>;
    /**
     * Update source access contract.
     */
    private updateContract;
    /**
     * Helper method to execute a query and return a single row.
     */
    private queryOne;
    /**
     * Helper method to execute a query.
     */
    private execute;
}
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