import { type CanonEnvironmentId } from '@canonmsg/backend-contracts';
export interface CanonRuntimeEndpointDefaults {
    apiBaseUrl: string;
    streamUrl: string;
    rtdbUrl: string;
    firebaseWebApiKey: string;
}
export interface CanonRuntimeConnectionOptions {
    environmentId: string;
    apiBaseUrl?: string | null;
    streamUrl?: string | null;
    rtdbUrl?: string | null;
    firebaseWebApiKey?: string | null;
}
export interface CanonRuntimeConnection extends CanonRuntimeEndpointDefaults {
    environmentId: CanonEnvironmentId;
    projectId: string;
    region: string;
}
export declare const CANON_RUNTIME_ENDPOINT_DEFAULTS: Readonly<Partial<Record<CanonEnvironmentId, CanonRuntimeEndpointDefaults>>>;
export declare const DEFAULT_CANON_ENVIRONMENT_ID: "canon-prod-v1" | "canon-dev-v1";
export declare function getCanonRuntimeEndpointDefaults(environmentId: string): CanonRuntimeEndpointDefaults | null;
export declare function requireCanonRuntimeEndpointDefaults(environmentId: string): CanonRuntimeEndpointDefaults;
export declare function resolveCanonRuntimeConnection(options: CanonRuntimeConnectionOptions): CanonRuntimeConnection;
export declare function verifyCanonRuntimeConnection(connection: CanonRuntimeConnection, fetchImpl?: typeof fetch): Promise<void>;
export declare const DEFAULT_CANON_RUNTIME_ENDPOINTS: CanonRuntimeEndpointDefaults;