import type { FieldList } from "./field-list.js";
import type { ProtoRuntime } from "./private/proto-runtime.js";
import type { JsonReadOptions, JsonValue } from "./json-format.js";
import type { BinaryReadOptions } from "./binary-format.js";
import type { AnyMessage, Message, PartialMessage, PlainMessage } from "./message.js";
import type { FieldWrapper } from "./private/field-wrapper.js";
/**
 * MessageType represents a protobuf message. It provides:
 * - a constructor that produces an instance of the message
 * - metadata for reflection-based operations
 * - common functionality like serialization
 */
export interface MessageType<T extends Message<T> = AnyMessage> {
    /**
     * Create a new instance of this type.
     */
    new (data?: PartialMessage<T>): T;
    /**
     * The fully qualified name of the message.
     */
    readonly typeName: string;
    /**
     * Field metadata.
     */
    readonly fields: FieldList;
    /**
     * Provides serialization and other functionality.
     */
    readonly runtime: ProtoRuntime;
    /**
     * When used as a field, unwrap this message to a simple value.
     */
    readonly fieldWrapper?: FieldWrapper<T>;
    /**
     * Parse serialized binary data.
     */
    fromBinary(data: Uint8Array, options?: Partial<BinaryReadOptions>): T;
    /**
     * Parse a JSON object.
     */
    fromJson(jsonValue: JsonValue, options?: Partial<JsonReadOptions>): T;
    /**
     * Parse a JSON string.
     */
    fromJsonString(jsonString: string, options?: Partial<JsonReadOptions>): T;
    /**
     * Returns true if the given arguments have equal field values, recursively.
     * Will also return true if both messages are `undefined` or `null`.
     */
    equals(a: T | PlainMessage<T> | undefined | null, b: T | PlainMessage<T> | undefined | null): boolean;
}