import type { DelegatedGrantMessage } from '../types/delegated-grant-message.js';
import type { PermissionsGrantMessage } from '../types/permissions-types.js';
import type { PermissionsRequest } from './permissions-request.js';
import type { Signer } from '../types/signer.js';
import type { PermissionConditions, PermissionScope } from '../types/permissions-grant-descriptor.js';
import { AbstractMessage } from '../core/abstract-message.js';
export type PermissionsGrantOptions = {
    messageTimestamp?: string;
    dateExpires: string;
    description?: string;
    grantedTo: string;
    grantedBy: string;
    grantedFor: string;
    delegated?: boolean;
    permissionsRequestId?: string;
    scope: PermissionScope;
    conditions?: PermissionConditions;
    signer: Signer;
};
export type CreateFromPermissionsRequestOverrides = {
    dateExpires: string;
    description?: string;
    grantedTo?: string;
    grantedBy?: string;
    grantedFor?: string;
    scope?: PermissionScope;
    conditions?: PermissionConditions;
};
export declare class PermissionsGrant extends AbstractMessage<PermissionsGrantMessage> {
    static parse(message: PermissionsGrantMessage): Promise<PermissionsGrant>;
    static create(options: PermissionsGrantOptions): Promise<PermissionsGrant>;
    /**
     * A convenience method for casting a PermissionsGrantMessage to a DelegatedGrantMessage if the `delegated` property is `true`.
     * @throws {DwnError} if the `delegated` property is not `true`.
     */
    asDelegatedGrant(): DelegatedGrantMessage;
    /**
     * A convenience method for casting a PermissionsGrantMessage to a DelegatedGrantMessage if the `delegated` property is `true`.
     * @throws {DwnError} if the `delegated` property is not `true`.
     */
    static asDelegatedGrant(message: PermissionsGrantMessage): DelegatedGrantMessage;
    /**
     * generates a PermissionsGrant using the provided PermissionsRequest
     * @param permissionsRequest
     * @param signer - the private key and additional signature material of the grantor
     * @param overrides - overrides that will be used instead of the properties in `permissionsRequest`
     */
    static createFromPermissionsRequest(permissionsRequest: PermissionsRequest, signer: Signer, overrides: CreateFromPermissionsRequestOverrides): Promise<PermissionsGrant>;
    /**
     * Current implementation only allows the DWN owner to store grants they created.
     */
    authorize(): void;
    /**
     * Validates scope structure for properties beyond `interface` and `method`.
     * Currently only grants for RecordsRead and RecordsWrite have such properties and need validation beyond JSON Schema.
     */
    static validateScope(permissionsGrantMessage: PermissionsGrantMessage): void;
}
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