import { Context, Effect, Layer } from 'effect';
import type { AgentBamlPrompt, AgentPrompt, AgentPromptVariable, AgentTemplatePrompt } from './agent';
import { MissingPromptSourceAdapterError, PromptResolutionError } from './errors';
export type PromptSourceError = MissingPromptSourceAdapterError | PromptResolutionError;
export interface PromptSourceContext {
    readonly agentId: string;
    readonly input: unknown;
    readonly renderTemplate: (template: string, variables: Readonly<Record<string, AgentPromptVariable>>, source: 'string' | 'template') => Effect.Effect<string, PromptResolutionError>;
}
export interface PromptSourceService {
    readonly resolve: (source: AgentPrompt, context: PromptSourceContext) => Effect.Effect<string, PromptSourceError>;
}
export declare const PromptSourceService: Context.Tag<PromptSourceService, PromptSourceService>;
export declare const isAgentTemplatePrompt: (source: unknown) => source is AgentTemplatePrompt;
export declare const isAgentBamlPrompt: (source: unknown) => source is AgentBamlPrompt;
/** Resolve the source forms owned by core. Adapters delegate to this helper. */
export declare const resolveDefaultPromptSource: (source: unknown, context: PromptSourceContext) => Effect.Effect<string, PromptSourceError>;
export declare const DefaultPromptSourceService: PromptSourceService;
export declare const DefaultPromptSourceLayer: Layer.Layer<PromptSourceService, never, never>;
/** Conventional service-layer alias. */
export declare const PromptSourceServiceLive: Layer.Layer<PromptSourceService, never, never>;
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