/**
 * a2a/schema/types.ts — the subset of the A2A v0.3.0 wire types this project
 * actually emits or consumes. See README.md in this directory for the
 * source, retrieval date, and what is deliberately NOT here.
 */
/** Spec 6.3 TaskState Enum — full enum, though this server only ever
 *  produces submitted/working/input-required/completed/canceled/failed. */
export type TaskState = "submitted" | "working" | "input-required" | "completed" | "canceled" | "failed" | "rejected" | "auth-required" | "unknown";
export declare const TASK_STATES: readonly TaskState[];
/** Spec 6.5.1 TextPart Object. The only Part kind this project emits. */
export interface TextPart {
    readonly kind: "text";
    text: string;
    metadata?: Record<string, unknown>;
}
/** Spec 6.5 Part Union Type — FilePart/DataPart are accepted opaquely on
 *  read (never produced), so callers sending them are not rejected outright. */
export type Part = TextPart | {
    readonly kind: "file" | "data";
    [k: string]: unknown;
};
/** Spec 6.4 Message Object. */
export interface A2AMessage {
    readonly kind: "message";
    readonly role: "user" | "agent";
    parts: Part[];
    messageId: string;
    taskId?: string;
    contextId?: string;
    metadata?: Record<string, unknown>;
    extensions?: string[];
    referenceTaskIds?: string[];
}
/** Spec 6.2 TaskStatus Object. */
export interface TaskStatus {
    state: TaskState;
    message?: A2AMessage;
    timestamp?: string;
}
/** Spec 6.7 Artifact Object. */
export interface Artifact {
    artifactId: string;
    name?: string;
    description?: string;
    parts: Part[];
    metadata?: Record<string, unknown>;
    extensions?: string[];
}
/** Spec 6.1 Task Object. */
export interface Task {
    readonly kind: "task";
    id: string;
    contextId: string;
    status: TaskStatus;
    history?: A2AMessage[];
    artifacts?: Artifact[];
    metadata?: Record<string, unknown>;
}
/** Spec 5.5.2.1 AgentExtension Object. */
export interface AgentExtension {
    uri: string;
    description?: string;
    required?: boolean;
    params?: Record<string, unknown>;
}
/** Spec 5.5.2 AgentCapabilities Object. */
export interface AgentCapabilities {
    streaming?: boolean;
    pushNotifications?: boolean;
    stateTransitionHistory?: boolean;
    extensions?: AgentExtension[];
}
/** Spec 5.5.4 AgentSkill Object. */
export interface AgentSkill {
    id: string;
    name: string;
    description: string;
    tags: string[];
    examples?: string[];
    inputModes?: string[];
    outputModes?: string[];
    security?: Record<string, string[]>[];
}
/**
 * Spec 5.5.3 SecurityScheme Object — discriminated union over the OpenAPI
 * 3.0 Security Scheme Object (https://swagger.io/specification/#security-scheme-object).
 * Only the HTTP bearer variant is vendored: it is the only one this project
 * emits.
 */
export interface HTTPAuthSecurityScheme {
    type: "http";
    scheme: "bearer";
    bearerFormat?: string;
    description?: string;
}
/** Spec 5.5 AgentCard Object — fields this project sets. `provider`,
 *  `iconUrl`, `documentationUrl`, `additionalInterfaces`, `signatures`
 *  and `supportsAuthenticatedExtendedCard` are all optional in the spec
 *  and omitted here rather than guessed. */
export interface AgentCard {
    protocolVersion: string;
    name: string;
    description: string;
    url: string;
    preferredTransport: "JSONRPC";
    version: string;
    capabilities: AgentCapabilities;
    securitySchemes?: Record<string, HTTPAuthSecurityScheme>;
    security?: Record<string, string[]>[];
    defaultInputModes: string[];
    defaultOutputModes: string[];
    skills: AgentSkill[];
}
/**
 * Spec 8.1 Standard JSON-RPC Errors + 8.2 A2A-Specific Errors, verbatim.
 * A2A-specific codes are in the JSON-RPC-reserved server-error range
 * (-32000..-32099).
 */
export declare const JSONRPC_ERRORS: {
    readonly PARSE_ERROR: -32700;
    readonly INVALID_REQUEST: -32600;
    readonly METHOD_NOT_FOUND: -32601;
    readonly INVALID_PARAMS: -32602;
    readonly INTERNAL_ERROR: -32603;
    readonly TASK_NOT_FOUND: -32001;
    readonly TASK_NOT_CANCELABLE: -32002;
    readonly PUSH_NOTIFICATION_NOT_SUPPORTED: -32003;
    readonly UNSUPPORTED_OPERATION: -32004;
    readonly CONTENT_TYPE_NOT_SUPPORTED: -32005;
    readonly INVALID_AGENT_RESPONSE: -32006;
};
export interface JSONRPCError {
    code: number;
    message: string;
    data?: unknown;
}
export interface JSONRPCRequest {
    jsonrpc: "2.0";
    id: string | number;
    method: string;
    params?: Record<string, unknown>;
}
export interface JSONRPCSuccess {
    jsonrpc: "2.0";
    id: string | number;
    result: unknown;
}
export interface JSONRPCFailure {
    jsonrpc: "2.0";
    id: string | number | null;
    error: JSONRPCError;
}
//# sourceMappingURL=types.d.ts.map