import type * as wasm_module_type from "../../dist/wasm/perspective-viewer.js";
import type { InitOptions, MigrateKind, MigrateResult, Validator, WasmRegistration } from "@perspective-dev/client/registry";
export type { InitOptions, WasmBinary, WasmRegistration, WasmSource, } from "@perspective-dev/client/registry";
/**
 * Register Perspective's WebAssembly binaries for this page; the same function
 * as `@perspective-dev/client`'s `init()`.
 */
export declare function init(wasm: WasmRegistration, options?: InitOptions): Promise<void>;
/**
 * A WebAssembly binary in any form `init_client` accepts; thunks are only
 * invoked when the binary is needed.
 */
export type ViewerWasmSource = Promise<Response | ArrayBuffer | Uint8Array> | Response | ArrayBuffer | Uint8Array | (() => Promise<Response | ArrayBuffer | Uint8Array>);
/**
 * The `<perspective-viewer>` binary, and the `perspective-migrate` binary
 * behind `migrate()`.
 */
export interface ViewerWasmRegistration {
    viewer?: ViewerWasmSource;
    migrate?: ViewerWasmSource;
}
/**
 * Initialize `<perspective-viewer>` from its WebAssembly binary, and register
 * the `perspective-migrate` binary which `migrate()` downloads on first use;
 * a wrapper over `init()`'s `viewer` and `migrate` roles.
 *
 * # Examples
 *
 * ```javascript
 * await init_client({
 *     viewer: () => fetch("perspective-viewer.wasm"),
 *     migrate: () => fetch("perspective-migrate.wasm"),
 * });
 * ```
 */
export declare function init_client(wasm: ViewerWasmSource | ViewerWasmRegistration, wasm_module?: typeof wasm_module_type): Promise<void>;
/**
 * Load the `migrate` binary registered with `init()` and return synchronous
 * `migrate()` and `validate()` over it; the page shares one instance.
 *
 * # Examples
 *
 * ```javascript
 * const validator = await perspective_viewer.create_validator();
 * for (const token of tokens) {
 *     validator.validate("viewer", token, { strict: true });
 * }
 * ```
 */
export declare function create_validator(): Promise<Validator>;
/**
 * Upgrade a persisted config written by any Perspective release since 2.0.0
 * to the current schema, using the `migrate` binary registered with `init()`.
 *
 * # Arguments
 *
 * - `kind` - `"view"` for a `ViewConfig`, `"viewer"` for a `save()` token,
 *   `"panel"` for one workspace panel, or `"workspace"` for a
 *   `saveWorkspace()` token.
 * - `config` - The config to upgrade.
 * - `from_version` - The release which wrote `config`, used only when it has
 *   no `version` field.
 */
export declare function migrate<T = Record<string, unknown>>(kind: MigrateKind, config: unknown, from_version?: string): Promise<MigrateResult<T>>;
/**
 * Check that a config is valid for this release without migrating it,
 * rejecting with the offending JSON pointer and reason otherwise.
 *
 * # Arguments
 *
 * - `kind` - `"view"`, `"viewer"`, `"panel"` or `"workspace"`.
 * - `config` - The config to check.
 * - `options.strict` - Require the complete `save()` form rather than the
 *   field-wise `restore()` update form.
 */
export declare function validate(kind: MigrateKind, config: unknown, options?: {
    strict?: boolean;
}): Promise<void>;