import type { Environment, IsolationStrategy } from './schema.js';
/**
 * Passed when resolving the app-role pair (`appUrl`/`appTestUrl`), which carries
 * the transaction-isolation carve-out on value-identity. Absent when resolving
 * the owner pair (`url`/`testUrl`), which has no carve-out: that connection is
 * dialed under every strategy.
 */
export interface AppRolePair {
    /** This database's resolved test-isolation strategy. */
    readonly strategy: IsolationStrategy;
}
export declare function resolveEnvironment(): Environment;
export declare function resolveDbUrl(envVarName: string, testEnvVarName: string | undefined, environment: Environment, dbName?: string, appRolePair?: AppRolePair): string;
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