import type { ProgressEvent } from "../../types/events.js";
/**
 * Emits a progress event through the callbacks if available.
 */
export declare function emitProgress(callbacks: {
    onProgress?: (event: ProgressEvent) => void;
} | undefined, message: string, type?: ProgressEvent["type"]): void;
/** Progress message constants — avoids magic string repetition */
export declare const PROGRESS_MESSAGES: Readonly<{
    readonly BUILD: "Building Next.js application";
    readonly SYNTH: "Synthesising infrastructure";
    readonly HASH: "Comparing template hashes";
    readonly DOCKER: "Validating Docker configuration";
    readonly SECRETS: "Validating SSM secrets";
}>;
/**
 * Parse Next.js/OpenNext build output to extract meaningful phase transitions.
 * Returns a clean status message for display instead of raw build output.
 *
 * Only updates when a meaningful phase change is detected to avoid UI flicker.
 */
export declare function parseBuildPhase(message: string, currentPhase: string): string;
/**
 * Build the StepContext build configuration from a buildConfig object.
 * Extracts the database-related fields with defaults.
 */
export declare function buildStepContextBuildConfig(buildConfig: {
    requiresDatabase?: boolean;
    databaseEnvVar?: string;
} | undefined): {
    requiresDatabase: boolean;
    databaseEnvVar: string;
} | undefined;
/**
 * CloudFormation output shape (matches AWS SDK Output type).
 */
export interface CloudFormationOutput {
    OutputKey?: string;
    OutputValue?: string;
    ExportName?: string;
}
/**
 * Convert CloudFormation outputs array to a key-value record.
 * Filters out outputs without keys and handles undefined values.
 */
export declare function convertCloudFormationOutputsToRecord(outputs: CloudFormationOutput[]): Record<string, string | number | boolean>;
/**
 * Convert CloudFormation outputs to a record keyed by EXPORT name, for a
 * consumer that looks an output up by the name the export-name contract
 * builds (`deployableServiceExportName` and its siblings in `@fjall/util`).
 * Outputs without an export name, or without a value, are skipped.
 */
export declare function convertCloudFormationOutputsToExportRecord(outputs: CloudFormationOutput[]): Record<string, string>;