export type DeployTarget = {
    host: string;
    projectId: string;
    apiKey: string;
};
/** Human-readable origin of each resolved field, for the deploy summary. */
export type TargetProvenance = {
    host: string;
    projectId: string;
    apiKey: string;
};
export type TargetOverrides = {
    host?: string;
    project?: string;
    /** Name of the env var to read the API key from (never the key itself). */
    apiKeyEnv?: string;
};
/** The `log` section of AgencyConfig, narrowed to the fields deploy needs. */
export type LogConfig = {
    host?: string;
    projectId?: string;
};
export type ResolveTargetResult = {
    ok: true;
    target: DeployTarget;
    provenance: TargetProvenance;
} | {
    ok: false;
    error: string;
};
/**
 * Resolve the deploy target. Host and project come from a flag or agency.json
 * `log.*`; the API key is read from an environment variable (the `--api-key-env`
 * one, or `STATELOG_API_KEY` by default). Fails with everything that's missing
 * or malformed rather than one problem at a time.
 */
export declare function resolveDeployTarget(log: LogConfig | undefined, overrides: TargetOverrides, env: NodeJS.ProcessEnv): ResolveTargetResult;