import { Layer } from "effect";
import { SerializerRegistry, type SerializerRegistryShape } from "./serializer-service.js";
/**
 * Options for encoding data.
 */
export interface FormatOptions {
    readonly indent?: number;
}
/**
 * A FormatCodec defines a serialization format with:
 * - A human-readable name (e.g., "json", "yaml", "toml")
 * - Supported file extensions without dots (e.g., ["yaml", "yml"])
 * - Synchronous encode/decode functions that throw on failure
 *
 * The compositor (makeSerializerLayer) wraps these in Effect.try
 * with proper error tagging.
 */
export interface FormatCodec {
    readonly name: string;
    readonly extensions: ReadonlyArray<string>;
    readonly encode: (data: unknown, options?: FormatOptions) => string;
    readonly decode: (raw: string) => unknown;
}
/**
 * Creates a SerializerRegistry Layer from an array of FormatCodec instances.
 *
 * The compositor:
 * 1. Builds an extension → codec lookup map (O(1) dispatch)
 * 2. Wraps encode/decode in Effect.try with SerializationError
 * 3. Produces UnsupportedFormatError for unknown extensions
 * 4. Logs console.warn on duplicate extensions (last wins)
 *
 * @param codecs - Base codecs to register
 * @param pluginCodecs - Optional plugin codecs to append after base codecs (can override base codecs for the same extension)
 */
export declare const makeSerializerLayer: (codecs: ReadonlyArray<FormatCodec>, pluginCodecs?: ReadonlyArray<FormatCodec>) => Layer.Layer<SerializerRegistry>;
/**
 * Wraps an existing SerializerRegistryShape with additional plugin codecs.
 *
 * Plugin codecs are checked first for matching extensions. If a plugin codec
 * matches the extension, it handles serialization/deserialization. Otherwise,
 * the request falls through to the base registry.
 *
 * This enables plugins to:
 * 1. Add support for new file extensions
 * 2. Override existing codecs (plugin codecs take precedence)
 *
 * @param baseRegistry - The original SerializerRegistryShape to wrap
 * @param pluginCodecs - Array of plugin codecs to layer on top
 * @returns A new SerializerRegistryShape with plugin codecs merged in
 */
export declare const mergeSerializerWithPluginCodecs: (baseRegistry: SerializerRegistryShape, pluginCodecs: ReadonlyArray<FormatCodec>) => SerializerRegistryShape;
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