/**
 * One record of a session log. `type` names the kind of record. The other
 * fields are JSON.
 */
export interface LogRecord {
    type: string;
    [key: string]: unknown;
}
/**
 * Appends records to the session log that a host keeps. A host is a
 * middleware that provides this capability. `chat()` does not provide it.
 */
export interface LogRecordsWriter {
    /**
     * Resolves when the host has written all the records. Rejects when the
     * host refuses a record or the write fails. Then the host writes none of
     * the records. The host decides which record types it accepts.
     */
    append: (records: ReadonlyArray<LogRecord>) => Promise<void>;
}
export declare const LogRecordsCapability: import('./capabilities.js').Capability<LogRecordsWriter, "log-records">;
export declare const getLogRecords: import('./capabilities.js').CapabilityGetter<LogRecordsWriter>, provideLogRecords: import('./capabilities.js').CapabilityProvider<LogRecordsWriter>;