/**
 * Shared optimization types. Pure type declarations — zero runtime weight,
 * safe to import from any entry or worker script.
 */
import type { PluginName } from "./plugin.js";
/** Anything a plugin slot accepts: a known name or a raw svgo spelling. */
export type PluginInput = PluginName | string;
/** One plugin entry inside `Config.plugins`. */
export interface PluginDescriptor {
    name: string;
    params?: Record<string, unknown>;
}
/** svgo.json-shaped optimization config. */
export interface Config {
    /** Run the plugin set until the output stabilizes. */
    multipass?: boolean;
    /** Global float precision (undefined = library default). */
    floatPrecision?: number;
    /** Explicit plugin list; omitted selects svgo's `preset-default`. */
    plugins?: Array<PluginInput | PluginDescriptor>;
    /** Output formatting (js2svg). */
    js2svg?: {
        pretty?: boolean;
        finalNewline?: boolean;
        indent?: number;
        eol?: "lf" | "crlf";
    };
    /** Output encoding: base64 / enc vibrating URI / unenc. */
    datauri?: "base64" | "enc" | "unenc";
    /** Source path used for error messages and relative references. */
    path?: string;
    /**
     * Binding-level hint: offload this optimization to a dedicated module worker
     * (browser and Node, wherever a `Worker` global exists) so the calling
     * thread stays responsive. Falls back to the main thread when unavailable.
     * This option is never sent to the engine.
     */
    worker?: boolean;
    [key: string]: unknown;
}
/** Result of a successful `optimize` call. */
export interface OptimizeResult {
    data: string;
}
/** Structured fields carried on {@link SvgoError}. */
export interface OptimizeErrorDetails {
    message: string;
    status: number;
    kind: "parse" | "config" | "internal";
}
/** Raw exports of the glue-free wasm module. */
export interface WasmExports {
    memory: WebAssembly.Memory;
    svg_alloc(size: number): number;
    svg_free(ptr: number, size: number): void;
    svg_optimize(inputPtr: number, inputLen: number, configPtr: number, configLen: number, outPtr: number): number;
    svg_plugin_names(outPtr: number): number;
}
/**
 * Totally free of imports and side effects: load the listed wasm URL into a
 * `Uint8Array` however the caller likes (fetch, fs, cache…).
 */
export type WasmLoader = (url: string | URL) => Promise<Uint8Array>;
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