CDK context values to pre-seed into the synth subprocess via CDK_CONTEXT_JSON.
Use this to satisfy context-provider lookups (e.g. SSM valueFromLookup) that
would otherwise record a "missing context" entry and cause the diff toolkit to
reject the assembly. Keys must match CDK's provider cache key format, e.g.
ssm:account=<acct>:parameterName=<path>:region=<region>.
CDK context values to pre-seed into the synth subprocess via CDK_CONTEXT_JSON. Use this to satisfy context-provider lookups (e.g. SSM
valueFromLookup) that would otherwise record a "missing context" entry and cause the diff toolkit to reject the assembly. Keys must match CDK's provider cache key format, e.g.ssm:account=<acct>:parameterName=<path>:region=<region>.