/// <reference types="node" />
import BaseCommand from "../../lib/base-command";
import { ApsorcImportOutput, ImportReport, Introspector } from "../../lib/import";
/**
 * Resolve the Postgres connection string from an explicit flag or, failing
 * that, the SUPABASE_DB_URL / DATABASE_URL environment variables. Returns
 * undefined if none is set (the command then prompts interactively).
 */
export declare function resolveConnectionString(flagValue: string | undefined, env?: NodeJS.ProcessEnv): string | undefined;
/**
 * Run the full introspect -> convert -> validate pipeline against any
 * Introspector. Throws if the generated relationships fail to parse. Pure of
 * file/console I/O so it can be unit-tested with a fake Introspector.
 */
export declare function importFromIntrospector(introspector: Introspector, schema: string): Promise<{
    apsorc: ApsorcImportOutput;
    report: ImportReport;
    unknownTypes: string[];
}>;
/** Render the import report as a human-readable summary (contains no secrets). */
export declare function formatReport(report: ImportReport): string;
/**
 * Write the generated .apsorc to disk, backing up any existing file first.
 * Returns the backup path if one was made.
 */
export declare function writeApsorcFile(apsorc: ApsorcImportOutput, outPath: string): {
    backupPath?: string;
};
export default class ImportSupabase extends BaseCommand {
    static description: string;
    static examples: string[];
    static flags: {
        "connection-string": import("@oclif/core/lib/interfaces").OptionFlag<string | undefined, import("@oclif/core/lib/interfaces/parser").CustomOptions>;
        schema: import("@oclif/core/lib/interfaces").OptionFlag<string, import("@oclif/core/lib/interfaces/parser").CustomOptions>;
        out: import("@oclif/core/lib/interfaces").OptionFlag<string | undefined, import("@oclif/core/lib/interfaces/parser").CustomOptions>;
        "dry-run": import("@oclif/core/lib/interfaces").BooleanFlag<boolean>;
        yes: import("@oclif/core/lib/interfaces").BooleanFlag<boolean>;
    };
    /** Overridable for testing. */
    protected makeIntrospector(connectionString: string): Introspector;
    run(): Promise<void>;
}