import type { AgUiRuntimeStreamEvent } from "../ag-ui/encoder.js";
import type { ForkPart, ForkRuntimeStep, ForkRuntimeStreamLogger } from "./fork-runtime-types.js";
type ForkToolCallPart = Extract<ForkPart, {
    type: "tool-call";
}>;
type ForkToolResultPart = Extract<ForkPart, {
    type: "tool-result";
}>;
export interface RecoveredToolObservation {
    sawInputStart: boolean;
    sawInputDelta: boolean;
    sawInputAvailable: boolean;
    sawOutputAvailable: boolean;
    sawOutputError: boolean;
}
/** State for fork recovered parts. */
export interface ForkRecoveredPartsState {
    toolCalls: Map<string, RecoveredToolObservation>;
    emittedToolCallIds: Set<string>;
    emittedToolResultIds: Set<string>;
    logger?: ForkRuntimeStreamLogger;
}
type ForkRuntimeToolCallState = RecoveredToolObservation & {
    toolName: string;
    inputText: string;
    input: Record<string, unknown>;
};
/** State for fork runtime stream mapping. */
export type ForkRuntimeStreamMappingState = {
    toolCalls: Map<string, ForkRuntimeToolCallState>;
    emittedToolCallIds: Set<string>;
    emittedToolResultIds: Set<string>;
    logger?: ForkRuntimeStreamLogger;
};
/** State for framework stream.
 * @deprecated Use ForkRuntimeStreamMappingState.
 */
export type FrameworkStreamState = ForkRuntimeStreamMappingState;
/** Builds recovered step parts. */
export declare function buildRecoveredStepParts(step: ForkRuntimeStep, state: ForkRecoveredPartsState): Array<ForkToolCallPart | ForkToolResultPart>;
export declare function getParsedStreamedToolInput(inputText: string): Record<string, unknown> | null;
/** State for create fork runtime stream mapping. */
export declare function createForkRuntimeStreamMappingState(input?: {
    logger?: ForkRuntimeStreamLogger;
}): ForkRuntimeStreamMappingState;
/** Map AG-UI runtime event to fork parts. */
export declare function mapAgUiRuntimeEventToForkParts(event: AgUiRuntimeStreamEvent, state: ForkRuntimeStreamMappingState): ForkPart[];
/** State for create framework stream.
 * @deprecated Use createForkRuntimeStreamMappingState.
 */
export declare function createFrameworkStreamState(input?: {
    logger?: ForkRuntimeStreamLogger;
}): ForkRuntimeStreamMappingState;
/** Handles map framework event to fork parts.
 * @deprecated Use mapAgUiRuntimeEventToForkParts.
 */
export declare function mapFrameworkEventToForkParts(event: AgUiRuntimeStreamEvent, state: ForkRuntimeStreamMappingState): ForkPart[];
export {};
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