import type { OpenMemConfig } from "./types";
/** Get the default embedding dimension for a given AI provider. */
export declare function getDefaultDimension(provider: string): number;
/**
 * Resolve configuration by merging defaults, environment variables, and overrides.
 * Priority: defaults < env vars < overrides
 */
export declare function resolveConfig(projectDir: string, overrides?: Partial<OpenMemConfig>): OpenMemConfig;
/**
 * Validate a resolved configuration. Returns an array of error messages.
 * An empty array means the configuration is valid.
 */
export declare function validateConfig(config: OpenMemConfig): string[];
/** Get a copy of the default configuration */
export declare function getDefaultConfig(): OpenMemConfig;
/** Ensure the database directory exists */
export declare function ensureDbDirectory(config: OpenMemConfig): Promise<void>;
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